Home / 1,270,269.72-1,752,906.60-754,045.20

Finding the Fourth Proportional to 1,270,269.72, 1,752,906.60 and 754,045.20

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Solution

The fourth proportional to 1,270,269.72, 1,752,906.60 and 754,045.20 is: 1,040,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,269.72 : 1,752,906.60 = 754,045.20 : x
  2. Step 2: Convert to fraction form
    1,270,269.72/1,752,906.60 = 754,045.20/x
  3. Step 3: Cross multiply
    1,270,269.72x = 1,752,906.60 × 754,045.20
  4. Step 4: Simplify right side
    1,270,269.72x = 1,321,770,807,778.32
  5. Step 5: Solve for x
    x = 1,321,770,807,778.32/1,270,269.72
  6. Step 6: Final answer
    x = 1,040,543.43

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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.