Home / 1,040,891.72-1,561,780.44-441,981.77

Finding the Fourth Proportional to 1,040,891.72, 1,561,780.44 and 441,981.77

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Solution

The fourth proportional to 1,040,891.72, 1,561,780.44 and 441,981.77 is: 663,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,891.72 : 1,561,780.44 = 441,981.77 : x
  2. Step 2: Convert to fraction form
    1,040,891.72/1,561,780.44 = 441,981.77/x
  3. Step 3: Cross multiply
    1,040,891.72x = 1,561,780.44 × 441,981.77
  4. Step 4: Simplify right side
    1,040,891.72x = 690,278,475,413.68
  5. Step 5: Solve for x
    x = 690,278,475,413.68/1,040,891.72
  6. Step 6: Final answer
    x = 663,160.70

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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.