Home / 1,339,947.12-2,008,790.25-581,217.36

Finding the Fourth Proportional to 1,339,947.12, 2,008,790.25 and 581,217.36

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Solution

The fourth proportional to 1,339,947.12, 2,008,790.25 and 581,217.36 is: 871,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,947.12 : 2,008,790.25 = 581,217.36 : x
  2. Step 2: Convert to fraction form
    1,339,947.12/2,008,790.25 = 581,217.36/x
  3. Step 3: Cross multiply
    1,339,947.12x = 2,008,790.25 × 581,217.36
  4. Step 4: Simplify right side
    1,339,947.12x = 1,167,543,765,898.74
  5. Step 5: Solve for x
    x = 1,167,543,765,898.74/1,339,947.12
  6. Step 6: Final answer
    x = 871,335.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.