Home / 1,997,001.32-2,755,860-1,079,229.92

Finding the Fourth Proportional to 1,997,001.32, 2,755,860 and 1,079,229.92

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Solution

The fourth proportional to 1,997,001.32, 2,755,860 and 1,079,229.92 is: 1,489,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,001.32 : 2,755,860 = 1,079,229.92 : x
  2. Step 2: Convert to fraction form
    1,997,001.32/2,755,860 = 1,079,229.92/x
  3. Step 3: Cross multiply
    1,997,001.32x = 2,755,860 × 1,079,229.92
  4. Step 4: Simplify right side
    1,997,001.32x = 2,974,206,567,331.20
  5. Step 5: Solve for x
    x = 2,974,206,567,331.20/1,997,001.32
  6. Step 6: Final answer
    x = 1,489,336.31

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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.