Home / 1,398,753.22-2,098,129.82-925,327.86

Finding the Fourth Proportional to 1,398,753.22, 2,098,129.82 and 925,327.86

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Solution

The fourth proportional to 1,398,753.22, 2,098,129.82 and 925,327.86 is: 1,387,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,753.22 : 2,098,129.82 = 925,327.86 : x
  2. Step 2: Convert to fraction form
    1,398,753.22/2,098,129.82 = 925,327.86/x
  3. Step 3: Cross multiply
    1,398,753.22x = 2,098,129.82 × 925,327.86
  4. Step 4: Simplify right side
    1,398,753.22x = 1,941,457,976,342.79
  5. Step 5: Solve for x
    x = 1,941,457,976,342.79/1,398,753.22
  6. Step 6: Final answer
    x = 1,387,991.78

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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.