Home / 815,110.20-1,222,665.30-683,234.10

Finding the Fourth Proportional to 815,110.20, 1,222,665.30 and 683,234.10

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Solution

The fourth proportional to 815,110.20, 1,222,665.30 and 683,234.10 is: 1,024,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,110.20 : 1,222,665.30 = 683,234.10 : x
  2. Step 2: Convert to fraction form
    815,110.20/1,222,665.30 = 683,234.10/x
  3. Step 3: Cross multiply
    815,110.20x = 1,222,665.30 × 683,234.10
  4. Step 4: Simplify right side
    815,110.20x = 835,366,625,846.73
  5. Step 5: Solve for x
    x = 835,366,625,846.73/815,110.20
  6. Step 6: Final answer
    x = 1,024,851.15

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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.