Home / 1,202,454.67-1,659,414.31-686,198.29

Finding the Fourth Proportional to 1,202,454.67, 1,659,414.31 and 686,198.29

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Solution

The fourth proportional to 1,202,454.67, 1,659,414.31 and 686,198.29 is: 946,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,454.67 : 1,659,414.31 = 686,198.29 : x
  2. Step 2: Convert to fraction form
    1,202,454.67/1,659,414.31 = 686,198.29/x
  3. Step 3: Cross multiply
    1,202,454.67x = 1,659,414.31 × 686,198.29
  4. Step 4: Simplify right side
    1,202,454.67x = 1,138,687,261,923.53
  5. Step 5: Solve for x
    x = 1,138,687,261,923.53/1,202,454.67
  6. Step 6: Final answer
    x = 946,968.97

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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.