Home / 1,272,001.32-1,755,469.56-865,006.08

Finding the Fourth Proportional to 1,272,001.32, 1,755,469.56 and 865,006.08

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Solution

The fourth proportional to 1,272,001.32, 1,755,469.56 and 865,006.08 is: 1,193,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,001.32 : 1,755,469.56 = 865,006.08 : x
  2. Step 2: Convert to fraction form
    1,272,001.32/1,755,469.56 = 865,006.08/x
  3. Step 3: Cross multiply
    1,272,001.32x = 1,755,469.56 × 865,006.08
  4. Step 4: Simplify right side
    1,272,001.32x = 1,518,491,842,654.92
  5. Step 5: Solve for x
    x = 1,518,491,842,654.92/1,272,001.32
  6. Step 6: Final answer
    x = 1,193,781.66

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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.