Home / 994,116.78-1,491,063.49-274,560.78

Finding the Fourth Proportional to 994,116.78, 1,491,063.49 and 274,560.78

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Solution

The fourth proportional to 994,116.78, 1,491,063.49 and 274,560.78 is: 411,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,116.78 : 1,491,063.49 = 274,560.78 : x
  2. Step 2: Convert to fraction form
    994,116.78/1,491,063.49 = 274,560.78/x
  3. Step 3: Cross multiply
    994,116.78x = 1,491,063.49 × 274,560.78
  4. Step 4: Simplify right side
    994,116.78x = 409,387,560,778.61
  5. Step 5: Solve for x
    x = 409,387,560,778.61/994,116.78
  6. Step 6: Final answer
    x = 411,810.33

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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.