Home / 1,115,472.38-1,539,483.11-662,763.38

Finding the Fourth Proportional to 1,115,472.38, 1,539,483.11 and 662,763.38

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Solution

The fourth proportional to 1,115,472.38, 1,539,483.11 and 662,763.38 is: 914,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,472.38 : 1,539,483.11 = 662,763.38 : x
  2. Step 2: Convert to fraction form
    1,115,472.38/1,539,483.11 = 662,763.38/x
  3. Step 3: Cross multiply
    1,115,472.38x = 1,539,483.11 × 662,763.38
  4. Step 4: Simplify right side
    1,115,472.38x = 1,020,313,018,425.28
  5. Step 5: Solve for x
    x = 1,020,313,018,425.28/1,115,472.38
  6. Step 6: Final answer
    x = 914,691.43

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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.