Home / 1,052,227.28-1,452,162.60-644,327.12

Finding the Fourth Proportional to 1,052,227.28, 1,452,162.60 and 644,327.12

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Solution

The fourth proportional to 1,052,227.28, 1,452,162.60 and 644,327.12 is: 889,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,227.28 : 1,452,162.60 = 644,327.12 : x
  2. Step 2: Convert to fraction form
    1,052,227.28/1,452,162.60 = 644,327.12/x
  3. Step 3: Cross multiply
    1,052,227.28x = 1,452,162.60 × 644,327.12
  4. Step 4: Simplify right side
    1,052,227.28x = 935,667,745,829.71
  5. Step 5: Solve for x
    x = 935,667,745,829.71/1,052,227.28
  6. Step 6: Final answer
    x = 889,225.90

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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.