Home / 1,587,891.43-2,380,631.86-818,560.11

Finding the Fourth Proportional to 1,587,891.43, 2,380,631.86 and 818,560.11

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Solution

The fourth proportional to 1,587,891.43, 2,380,631.86 and 818,560.11 is: 1,227,218.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,891.43 : 2,380,631.86 = 818,560.11 : x
  2. Step 2: Convert to fraction form
    1,587,891.43/2,380,631.86 = 818,560.11/x
  3. Step 3: Cross multiply
    1,587,891.43x = 2,380,631.86 × 818,560.11
  4. Step 4: Simplify right side
    1,587,891.43x = 1,948,690,277,191.10
  5. Step 5: Solve for x
    x = 1,948,690,277,191.10/1,587,891.43
  6. Step 6: Final answer
    x = 1,227,218.84

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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.