Home / 1,332,871.20-1,839,358.80-729,259.20

Finding the Fourth Proportional to 1,332,871.20, 1,839,358.80 and 729,259.20

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Solution

The fourth proportional to 1,332,871.20, 1,839,358.80 and 729,259.20 is: 1,006,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,871.20 : 1,839,358.80 = 729,259.20 : x
  2. Step 2: Convert to fraction form
    1,332,871.20/1,839,358.80 = 729,259.20/x
  3. Step 3: Cross multiply
    1,332,871.20x = 1,839,358.80 × 729,259.20
  4. Step 4: Simplify right side
    1,332,871.20x = 1,341,369,327,000.96
  5. Step 5: Solve for x
    x = 1,341,369,327,000.96/1,332,871.20
  6. Step 6: Final answer
    x = 1,006,375.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.