Home / 998,426.60-1,497,639.90-992,205.80

Finding the Fourth Proportional to 998,426.60, 1,497,639.90 and 992,205.80

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Solution

The fourth proportional to 998,426.60, 1,497,639.90 and 992,205.80 is: 1,488,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,426.60 : 1,497,639.90 = 992,205.80 : x
  2. Step 2: Convert to fraction form
    998,426.60/1,497,639.90 = 992,205.80/x
  3. Step 3: Cross multiply
    998,426.60x = 1,497,639.90 × 992,205.80
  4. Step 4: Simplify right side
    998,426.60x = 1,485,966,995,091.42
  5. Step 5: Solve for x
    x = 1,485,966,995,091.42/998,426.60
  6. Step 6: Final answer
    x = 1,488,308.70

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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.