Home / 991,781.22-1,487,553.56-587,215.38

Finding the Fourth Proportional to 991,781.22, 1,487,553.56 and 587,215.38

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Solution

The fourth proportional to 991,781.22, 1,487,553.56 and 587,215.38 is: 880,753.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,781.22 : 1,487,553.56 = 587,215.38 : x
  2. Step 2: Convert to fraction form
    991,781.22/1,487,553.56 = 587,215.38/x
  3. Step 3: Cross multiply
    991,781.22x = 1,487,553.56 × 587,215.38
  4. Step 4: Simplify right side
    991,781.22x = 873,514,329,005.75
  5. Step 5: Solve for x
    x = 873,514,329,005.75/991,781.22
  6. Step 6: Final answer
    x = 880,753.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.