Home / 1,272,127.10-1,755,515.03-699,154.97

Finding the Fourth Proportional to 1,272,127.10, 1,755,515.03 and 699,154.97

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Solution

The fourth proportional to 1,272,127.10, 1,755,515.03 and 699,154.97 is: 964,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,127.10 : 1,755,515.03 = 699,154.97 : x
  2. Step 2: Convert to fraction form
    1,272,127.10/1,755,515.03 = 699,154.97/x
  3. Step 3: Cross multiply
    1,272,127.10x = 1,755,515.03 × 699,154.97
  4. Step 4: Simplify right side
    1,272,127.10x = 1,227,377,058,134.20
  5. Step 5: Solve for x
    x = 1,227,377,058,134.20/1,272,127.10
  6. Step 6: Final answer
    x = 964,822.66

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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.