Home / 1,201,950.30-1,658,691.50-658,086.13

Finding the Fourth Proportional to 1,201,950.30, 1,658,691.50 and 658,086.13

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Solution

The fourth proportional to 1,201,950.30, 1,658,691.50 and 658,086.13 is: 908,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,950.30 : 1,658,691.50 = 658,086.13 : x
  2. Step 2: Convert to fraction form
    1,201,950.30/1,658,691.50 = 658,086.13/x
  3. Step 3: Cross multiply
    1,201,950.30x = 1,658,691.50 × 658,086.13
  4. Step 4: Simplify right side
    1,201,950.30x = 1,091,561,870,098.90
  5. Step 5: Solve for x
    x = 1,091,561,870,098.90/1,201,950.30
  6. Step 6: Final answer
    x = 908,158.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.