Home / 1,332,679.92-1,839,141.60-729,067.92

Finding the Fourth Proportional to 1,332,679.92, 1,839,141.60 and 729,067.92

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Solution

The fourth proportional to 1,332,679.92, 1,839,141.60 and 729,067.92 is: 1,006,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,679.92 : 1,839,141.60 = 729,067.92 : x
  2. Step 2: Convert to fraction form
    1,332,679.92/1,839,141.60 = 729,067.92/x
  3. Step 3: Cross multiply
    1,332,679.92x = 1,839,141.60 × 729,067.92
  4. Step 4: Simplify right side
    1,332,679.92x = 1,340,859,140,897.47
  5. Step 5: Solve for x
    x = 1,340,859,140,897.47/1,332,679.92
  6. Step 6: Final answer
    x = 1,006,137.42

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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.