Home / 998,734.40-1,498,101.60-662,811.20

Finding the Fourth Proportional to 998,734.40, 1,498,101.60 and 662,811.20

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Solution

The fourth proportional to 998,734.40, 1,498,101.60 and 662,811.20 is: 994,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,734.40 : 1,498,101.60 = 662,811.20 : x
  2. Step 2: Convert to fraction form
    998,734.40/1,498,101.60 = 662,811.20/x
  3. Step 3: Cross multiply
    998,734.40x = 1,498,101.60 × 662,811.20
  4. Step 4: Simplify right side
    998,734.40x = 992,958,519,217.92
  5. Step 5: Solve for x
    x = 992,958,519,217.92/998,734.40
  6. Step 6: Final answer
    x = 994,216.80

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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.