Home / 1,371,609.70-2,057,414.55-1,278,297.70

Finding the Fourth Proportional to 1,371,609.70, 2,057,414.55 and 1,278,297.70

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Solution

The fourth proportional to 1,371,609.70, 2,057,414.55 and 1,278,297.70 is: 1,917,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,609.70 : 2,057,414.55 = 1,278,297.70 : x
  2. Step 2: Convert to fraction form
    1,371,609.70/2,057,414.55 = 1,278,297.70/x
  3. Step 3: Cross multiply
    1,371,609.70x = 2,057,414.55 × 1,278,297.70
  4. Step 4: Simplify right side
    1,371,609.70x = 2,629,988,287,211.54
  5. Step 5: Solve for x
    x = 2,629,988,287,211.54/1,371,609.70
  6. Step 6: Final answer
    x = 1,917,446.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.