Home / 1,770,469.70-2,656,568.55-823,352.90

Finding the Fourth Proportional to 1,770,469.70, 2,656,568.55 and 823,352.90

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Solution

The fourth proportional to 1,770,469.70, 2,656,568.55 and 823,352.90 is: 1,235,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,469.70 : 2,656,568.55 = 823,352.90 : x
  2. Step 2: Convert to fraction form
    1,770,469.70/2,656,568.55 = 823,352.90/x
  3. Step 3: Cross multiply
    1,770,469.70x = 2,656,568.55 × 823,352.90
  4. Step 4: Simplify right side
    1,770,469.70x = 2,187,293,419,691.30
  5. Step 5: Solve for x
    x = 2,187,293,419,691.30/1,770,469.70
  6. Step 6: Final answer
    x = 1,235,431.15

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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.