Home / 1,387,192.70-2,079,233.85-588,338.30

Finding the Fourth Proportional to 1,387,192.70, 2,079,233.85 and 588,338.30

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Solution

The fourth proportional to 1,387,192.70, 2,079,233.85 and 588,338.30 is: 881,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,192.70 : 2,079,233.85 = 588,338.30 : x
  2. Step 2: Convert to fraction form
    1,387,192.70/2,079,233.85 = 588,338.30/x
  3. Step 3: Cross multiply
    1,387,192.70x = 2,079,233.85 × 588,338.30
  4. Step 4: Simplify right side
    1,387,192.70x = 1,223,292,908,611.46
  5. Step 5: Solve for x
    x = 1,223,292,908,611.46/1,387,192.70
  6. Step 6: Final answer
    x = 881,847.86

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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.