Home / 1,387,204.20-2,079,251.10-588,349.80

Finding the Fourth Proportional to 1,387,204.20, 2,079,251.10 and 588,349.80

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Solution

The fourth proportional to 1,387,204.20, 2,079,251.10 and 588,349.80 is: 881,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,204.20 : 2,079,251.10 = 588,349.80 : x
  2. Step 2: Convert to fraction form
    1,387,204.20/2,079,251.10 = 588,349.80/x
  3. Step 3: Cross multiply
    1,387,204.20x = 2,079,251.10 × 588,349.80
  4. Step 4: Simplify right side
    1,387,204.20x = 1,223,326,968,834.78
  5. Step 5: Solve for x
    x = 1,223,326,968,834.78/1,387,204.20
  6. Step 6: Final answer
    x = 881,865.10

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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.