Home / 1,387,157.20-2,079,180.60-588,302.80

Finding the Fourth Proportional to 1,387,157.20, 2,079,180.60 and 588,302.80

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Solution

The fourth proportional to 1,387,157.20, 2,079,180.60 and 588,302.80 is: 881,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,157.20 : 2,079,180.60 = 588,302.80 : x
  2. Step 2: Convert to fraction form
    1,387,157.20/2,079,180.60 = 588,302.80/x
  3. Step 3: Cross multiply
    1,387,157.20x = 2,079,180.60 × 588,302.80
  4. Step 4: Simplify right side
    1,387,157.20x = 1,223,187,768,685.68
  5. Step 5: Solve for x
    x = 1,223,187,768,685.68/1,387,157.20
  6. Step 6: Final answer
    x = 881,794.63

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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.