Home / 1,338,188.38-1,846,701.83-726,341.28

Finding the Fourth Proportional to 1,338,188.38, 1,846,701.83 and 726,341.28

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Solution

The fourth proportional to 1,338,188.38, 1,846,701.83 and 726,341.28 is: 1,002,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,188.38 : 1,846,701.83 = 726,341.28 : x
  2. Step 2: Convert to fraction form
    1,338,188.38/1,846,701.83 = 726,341.28/x
  3. Step 3: Cross multiply
    1,338,188.38x = 1,846,701.83 × 726,341.28
  4. Step 4: Simplify right side
    1,338,188.38x = 1,341,335,766,363.79
  5. Step 5: Solve for x
    x = 1,341,335,766,363.79/1,338,188.38
  6. Step 6: Final answer
    x = 1,002,351.98

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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.