Home / 998,163.90-1,497,245.85-840,699.90

Finding the Fourth Proportional to 998,163.90, 1,497,245.85 and 840,699.90

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Solution

The fourth proportional to 998,163.90, 1,497,245.85 and 840,699.90 is: 1,261,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,163.90 : 1,497,245.85 = 840,699.90 : x
  2. Step 2: Convert to fraction form
    998,163.90/1,497,245.85 = 840,699.90/x
  3. Step 3: Cross multiply
    998,163.90x = 1,497,245.85 × 840,699.90
  4. Step 4: Simplify right side
    998,163.90x = 1,258,734,436,370.42
  5. Step 5: Solve for x
    x = 1,258,734,436,370.42/998,163.90
  6. Step 6: Final answer
    x = 1,261,049.85

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Similar ratio
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1.5x scale

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.