Home / 1,387,387.20-2,079,525.60-588,532.80

Finding the Fourth Proportional to 1,387,387.20, 2,079,525.60 and 588,532.80

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Solution

The fourth proportional to 1,387,387.20, 2,079,525.60 and 588,532.80 is: 882,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,387.20 : 2,079,525.60 = 588,532.80 : x
  2. Step 2: Convert to fraction form
    1,387,387.20/2,079,525.60 = 588,532.80/x
  3. Step 3: Cross multiply
    1,387,387.20x = 2,079,525.60 × 588,532.80
  4. Step 4: Simplify right side
    1,387,387.20x = 1,223,869,024,039.68
  5. Step 5: Solve for x
    x = 1,223,869,024,039.68/1,387,387.20
  6. Step 6: Final answer
    x = 882,139.48

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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.