Home / 1,132,591.72-1,562,945.16-642,650.44

Finding the Fourth Proportional to 1,132,591.72, 1,562,945.16 and 642,650.44

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Solution

The fourth proportional to 1,132,591.72, 1,562,945.16 and 642,650.44 is: 886,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,591.72 : 1,562,945.16 = 642,650.44 : x
  2. Step 2: Convert to fraction form
    1,132,591.72/1,562,945.16 = 642,650.44/x
  3. Step 3: Cross multiply
    1,132,591.72x = 1,562,945.16 × 642,650.44
  4. Step 4: Simplify right side
    1,132,591.72x = 1,004,427,394,769.87
  5. Step 5: Solve for x
    x = 1,004,427,394,769.87/1,132,591.72
  6. Step 6: Final answer
    x = 886,839.78

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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.