Home / 1,407,345.39-1,942,135.47-762,765.39

Finding the Fourth Proportional to 1,407,345.39, 1,942,135.47 and 762,765.39

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Solution

The fourth proportional to 1,407,345.39, 1,942,135.47 and 762,765.39 is: 1,052,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,345.39 : 1,942,135.47 = 762,765.39 : x
  2. Step 2: Convert to fraction form
    1,407,345.39/1,942,135.47 = 762,765.39/x
  3. Step 3: Cross multiply
    1,407,345.39x = 1,942,135.47 × 762,765.39
  4. Step 4: Simplify right side
    1,407,345.39x = 1,481,393,719,207.38
  5. Step 5: Solve for x
    x = 1,481,393,719,207.38/1,407,345.39
  6. Step 6: Final answer
    x = 1,052,615.61

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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.