Home / 1,031,712.80-1,547,569.20-1,025,807.90

Finding the Fourth Proportional to 1,031,712.80, 1,547,569.20 and 1,025,807.90

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Solution

The fourth proportional to 1,031,712.80, 1,547,569.20 and 1,025,807.90 is: 1,538,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,712.80 : 1,547,569.20 = 1,025,807.90 : x
  2. Step 2: Convert to fraction form
    1,031,712.80/1,547,569.20 = 1,025,807.90/x
  3. Step 3: Cross multiply
    1,031,712.80x = 1,547,569.20 × 1,025,807.90
  4. Step 4: Simplify right side
    1,031,712.80x = 1,587,508,711,156.68
  5. Step 5: Solve for x
    x = 1,587,508,711,156.68/1,031,712.80
  6. Step 6: Final answer
    x = 1,538,711.85

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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.