Home / 1,272,086.22-1,755,521.07-699,146.70

Finding the Fourth Proportional to 1,272,086.22, 1,755,521.07 and 699,146.70

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Solution

The fourth proportional to 1,272,086.22, 1,755,521.07 and 699,146.70 is: 964,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,086.22 : 1,755,521.07 = 699,146.70 : x
  2. Step 2: Convert to fraction form
    1,272,086.22/1,755,521.07 = 699,146.70/x
  3. Step 3: Cross multiply
    1,272,086.22x = 1,755,521.07 × 699,146.70
  4. Step 4: Simplify right side
    1,272,086.22x = 1,227,366,762,870.97
  5. Step 5: Solve for x
    x = 1,227,366,762,870.97/1,272,086.22
  6. Step 6: Final answer
    x = 964,845.58

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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.