Home / 1,338,190.82-1,846,705.20-726,343.72

Finding the Fourth Proportional to 1,338,190.82, 1,846,705.20 and 726,343.72

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Solution

The fourth proportional to 1,338,190.82, 1,846,705.20 and 726,343.72 is: 1,002,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,190.82 : 1,846,705.20 = 726,343.72 : x
  2. Step 2: Convert to fraction form
    1,338,190.82/1,846,705.20 = 726,343.72/x
  3. Step 3: Cross multiply
    1,338,190.82x = 1,846,705.20 × 726,343.72
  4. Step 4: Simplify right side
    1,338,190.82x = 1,341,342,724,711.34
  5. Step 5: Solve for x
    x = 1,341,342,724,711.34/1,338,190.82
  6. Step 6: Final answer
    x = 1,002,355.35

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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.