Home / 1,587,474.34-2,381,177.04-389,402.53

Finding the Fourth Proportional to 1,587,474.34, 2,381,177.04 and 389,402.53

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Solution

The fourth proportional to 1,587,474.34, 2,381,177.04 and 389,402.53 is: 584,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,474.34 : 2,381,177.04 = 389,402.53 : x
  2. Step 2: Convert to fraction form
    1,587,474.34/2,381,177.04 = 389,402.53/x
  3. Step 3: Cross multiply
    1,587,474.34x = 2,381,177.04 × 389,402.53
  4. Step 4: Simplify right side
    1,587,474.34x = 927,236,363,753.91
  5. Step 5: Solve for x
    x = 927,236,363,753.91/1,587,474.34
  6. Step 6: Final answer
    x = 584,095.34

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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.