Home / 998,049.60-1,498,456.80-787,924.80

Finding the Fourth Proportional to 998,049.60, 1,498,456.80 and 787,924.80

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Solution

The fourth proportional to 998,049.60, 1,498,456.80 and 787,924.80 is: 1,182,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,049.60 : 1,498,456.80 = 787,924.80 : x
  2. Step 2: Convert to fraction form
    998,049.60/1,498,456.80 = 787,924.80/x
  3. Step 3: Cross multiply
    998,049.60x = 1,498,456.80 × 787,924.80
  4. Step 4: Simplify right side
    998,049.60x = 1,180,671,274,448.64
  5. Step 5: Solve for x
    x = 1,180,671,274,448.64/998,049.60
  6. Step 6: Final answer
    x = 1,182,978.56

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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.