Home / 1,231,948.12-1,847,601.24-521,610.52

Finding the Fourth Proportional to 1,231,948.12, 1,847,601.24 and 521,610.52

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Solution

The fourth proportional to 1,231,948.12, 1,847,601.24 and 521,610.52 is: 782,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,948.12 : 1,847,601.24 = 521,610.52 : x
  2. Step 2: Convert to fraction form
    1,231,948.12/1,847,601.24 = 521,610.52/x
  3. Step 3: Cross multiply
    1,231,948.12x = 1,847,601.24 × 521,610.52
  4. Step 4: Simplify right side
    1,231,948.12x = 963,728,243,549.05
  5. Step 5: Solve for x
    x = 963,728,243,549.05/1,231,948.12
  6. Step 6: Final answer
    x = 782,279.89

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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.