Home / 998,538.80-1,497,808.20-979,876.40

Finding the Fourth Proportional to 998,538.80, 1,497,808.20 and 979,876.40

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Solution

The fourth proportional to 998,538.80, 1,497,808.20 and 979,876.40 is: 1,469,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,538.80 : 1,497,808.20 = 979,876.40 : x
  2. Step 2: Convert to fraction form
    998,538.80/1,497,808.20 = 979,876.40/x
  3. Step 3: Cross multiply
    998,538.80x = 1,497,808.20 × 979,876.40
  4. Step 4: Simplify right side
    998,538.80x = 1,467,666,906,906.48
  5. Step 5: Solve for x
    x = 1,467,666,906,906.48/998,538.80
  6. Step 6: Final answer
    x = 1,469,814.60

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Similar ratio
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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.