Home / 1,407,275.36-1,942,046.80-762,695.38

Finding the Fourth Proportional to 1,407,275.36, 1,942,046.80 and 762,695.38

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Solution

The fourth proportional to 1,407,275.36, 1,942,046.80 and 762,695.38 is: 1,052,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,275.36 : 1,942,046.80 = 762,695.38 : x
  2. Step 2: Convert to fraction form
    1,407,275.36/1,942,046.80 = 762,695.38/x
  3. Step 3: Cross multiply
    1,407,275.36x = 1,942,046.80 × 762,695.38
  4. Step 4: Simplify right side
    1,407,275.36x = 1,481,190,122,103.78
  5. Step 5: Solve for x
    x = 1,481,190,122,103.78/1,407,275.36
  6. Step 6: Final answer
    x = 1,052,523.31

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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.