Home / 1,407,439.83-1,942,269.03-762,859.86

Finding the Fourth Proportional to 1,407,439.83, 1,942,269.03 and 762,859.86

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Solution

The fourth proportional to 1,407,439.83, 1,942,269.03 and 762,859.86 is: 1,052,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,439.83 : 1,942,269.03 = 762,859.86 : x
  2. Step 2: Convert to fraction form
    1,407,439.83/1,942,269.03 = 762,859.86/x
  3. Step 3: Cross multiply
    1,407,439.83x = 1,942,269.03 × 762,859.86
  4. Step 4: Simplify right side
    1,407,439.83x = 1,481,679,073,024.63
  5. Step 5: Solve for x
    x = 1,481,679,073,024.63/1,407,439.83
  6. Step 6: Final answer
    x = 1,052,747.72

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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.