Home / 1,309,728.96-1,965,348-551,511.36

Finding the Fourth Proportional to 1,309,728.96, 1,965,348 and 551,511.36

Calculator

Solution

The fourth proportional to 1,309,728.96, 1,965,348 and 551,511.36 is: 827,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,728.96 : 1,965,348 = 551,511.36 : x
  2. Step 2: Convert to fraction form
    1,309,728.96/1,965,348 = 551,511.36/x
  3. Step 3: Cross multiply
    1,309,728.96x = 1,965,348 × 551,511.36
  4. Step 4: Simplify right side
    1,309,728.96x = 1,083,911,748,353.28
  5. Step 5: Solve for x
    x = 1,083,911,748,353.28/1,309,728.96
  6. Step 6: Final answer
    x = 827,584.78

Related Problems

Find fourth proportional to 654,864.48, 982,674 and 275,755.68
Half scale
Find fourth proportional to 2,619,457.92, 3,930,696 and 1,103,022.72
Double scale
Find fourth proportional to 1,309,729.96, 1,965,349.50 and 551,512.36
Similar ratio
Find fourth proportional to 1,964,593.44, 2,948,022 and 827,267.04
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.