Home / 1,121,040.72-1,547,069.10-611,775.96

Finding the Fourth Proportional to 1,121,040.72, 1,547,069.10 and 611,775.96

Calculator

Solution

The fourth proportional to 1,121,040.72, 1,547,069.10 and 611,775.96 is: 844,268.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,040.72 : 1,547,069.10 = 611,775.96 : x
  2. Step 2: Convert to fraction form
    1,121,040.72/1,547,069.10 = 611,775.96/x
  3. Step 3: Cross multiply
    1,121,040.72x = 1,547,069.10 × 611,775.96
  4. Step 4: Simplify right side
    1,121,040.72x = 946,459,683,838.84
  5. Step 5: Solve for x
    x = 946,459,683,838.84/1,121,040.72
  6. Step 6: Final answer
    x = 844,268.78

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.