Home / 998,977.60-1,498,466.40-992,756.80

Finding the Fourth Proportional to 998,977.60, 1,498,466.40 and 992,756.80

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Solution

The fourth proportional to 998,977.60, 1,498,466.40 and 992,756.80 is: 1,489,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,977.60 : 1,498,466.40 = 992,756.80 : x
  2. Step 2: Convert to fraction form
    998,977.60/1,498,466.40 = 992,756.80/x
  3. Step 3: Cross multiply
    998,977.60x = 1,498,466.40 × 992,756.80
  4. Step 4: Simplify right side
    998,977.60x = 1,487,612,708,171.52
  5. Step 5: Solve for x
    x = 1,487,612,708,171.52/998,977.60
  6. Step 6: Final answer
    x = 1,489,135.20

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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.