Home / 1,407,442.83-1,942,273.17-762,862.86

Finding the Fourth Proportional to 1,407,442.83, 1,942,273.17 and 762,862.86

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Solution

The fourth proportional to 1,407,442.83, 1,942,273.17 and 762,862.86 is: 1,052,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,442.83 : 1,942,273.17 = 762,862.86 : x
  2. Step 2: Convert to fraction form
    1,407,442.83/1,942,273.17 = 762,862.86/x
  3. Step 3: Cross multiply
    1,407,442.83x = 1,942,273.17 × 762,862.86
  4. Step 4: Simplify right side
    1,407,442.83x = 1,481,688,065,367.47
  5. Step 5: Solve for x
    x = 1,481,688,065,367.47/1,407,442.83
  6. Step 6: Final answer
    x = 1,052,751.87

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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.