Home / 1,691,728.40-2,537,002.38-680,588.12

Finding the Fourth Proportional to 1,691,728.40, 2,537,002.38 and 680,588.12

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Solution

The fourth proportional to 1,691,728.40, 2,537,002.38 and 680,588.12 is: 1,020,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,728.40 : 2,537,002.38 = 680,588.12 : x
  2. Step 2: Convert to fraction form
    1,691,728.40/2,537,002.38 = 680,588.12/x
  3. Step 3: Cross multiply
    1,691,728.40x = 2,537,002.38 × 680,588.12
  4. Step 4: Simplify right side
    1,691,728.40x = 1,726,653,680,239.73
  5. Step 5: Solve for x
    x = 1,726,653,680,239.73/1,691,728.40
  6. Step 6: Final answer
    x = 1,020,644.73

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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.