Home / 1,387,156.20-2,079,179.10-588,301.80

Finding the Fourth Proportional to 1,387,156.20, 2,079,179.10 and 588,301.80

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Solution

The fourth proportional to 1,387,156.20, 2,079,179.10 and 588,301.80 is: 881,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,156.20 : 2,079,179.10 = 588,301.80 : x
  2. Step 2: Convert to fraction form
    1,387,156.20/2,079,179.10 = 588,301.80/x
  3. Step 3: Cross multiply
    1,387,156.20x = 2,079,179.10 × 588,301.80
  4. Step 4: Simplify right side
    1,387,156.20x = 1,223,184,807,052.38
  5. Step 5: Solve for x
    x = 1,223,184,807,052.38/1,387,156.20
  6. Step 6: Final answer
    x = 881,793.13

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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.