Home / 1,247,169.15-1,866,073.55-739,872.63

Finding the Fourth Proportional to 1,247,169.15, 1,866,073.55 and 739,872.63

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Solution

The fourth proportional to 1,247,169.15, 1,866,073.55 and 739,872.63 is: 1,107,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,169.15 : 1,866,073.55 = 739,872.63 : x
  2. Step 2: Convert to fraction form
    1,247,169.15/1,866,073.55 = 739,872.63/x
  3. Step 3: Cross multiply
    1,247,169.15x = 1,866,073.55 × 739,872.63
  4. Step 4: Simplify right side
    1,247,169.15x = 1,380,656,741,512.57
  5. Step 5: Solve for x
    x = 1,380,656,741,512.57/1,247,169.15
  6. Step 6: Final answer
    x = 1,107,032.47

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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.