Home / 1,309,895.31-1,807,655.25-729,105.91

Finding the Fourth Proportional to 1,309,895.31, 1,807,655.25 and 729,105.91

Calculator

Solution

The fourth proportional to 1,309,895.31, 1,807,655.25 and 729,105.91 is: 1,006,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,895.31 : 1,807,655.25 = 729,105.91 : x
  2. Step 2: Convert to fraction form
    1,309,895.31/1,807,655.25 = 729,105.91/x
  3. Step 3: Cross multiply
    1,309,895.31x = 1,807,655.25 × 729,105.91
  4. Step 4: Simplify right side
    1,309,895.31x = 1,317,972,126,017.53
  5. Step 5: Solve for x
    x = 1,317,972,126,017.53/1,309,895.31
  6. Step 6: Final answer
    x = 1,006,166.01

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.