Home / 1,350,165.80-1,863,229.28-769,372.31

Finding the Fourth Proportional to 1,350,165.80, 1,863,229.28 and 769,372.31

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Solution

The fourth proportional to 1,350,165.80, 1,863,229.28 and 769,372.31 is: 1,061,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,165.80 : 1,863,229.28 = 769,372.31 : x
  2. Step 2: Convert to fraction form
    1,350,165.80/1,863,229.28 = 769,372.31/x
  3. Step 3: Cross multiply
    1,350,165.80x = 1,863,229.28 × 769,372.31
  4. Step 4: Simplify right side
    1,350,165.80x = 1,433,517,002,050.23
  5. Step 5: Solve for x
    x = 1,433,517,002,050.23/1,350,165.80
  6. Step 6: Final answer
    x = 1,061,734.05

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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.