Home / 1,244,726.40-1,718,103.22-728,601

Finding the Fourth Proportional to 1,244,726.40, 1,718,103.22 and 728,601

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Solution

The fourth proportional to 1,244,726.40, 1,718,103.22 and 728,601 is: 1,005,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,726.40 : 1,718,103.22 = 728,601 : x
  2. Step 2: Convert to fraction form
    1,244,726.40/1,718,103.22 = 728,601/x
  3. Step 3: Cross multiply
    1,244,726.40x = 1,718,103.22 × 728,601
  4. Step 4: Simplify right side
    1,244,726.40x = 1,251,811,724,195.22
  5. Step 5: Solve for x
    x = 1,251,811,724,195.22/1,244,726.40
  6. Step 6: Final answer
    x = 1,005,692.27

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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.