Home / 998,486.61-1,498,103.91-518,414.73

Finding the Fourth Proportional to 998,486.61, 1,498,103.91 and 518,414.73

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Solution

The fourth proportional to 998,486.61, 1,498,103.91 and 518,414.73 is: 777,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,486.61 : 1,498,103.91 = 518,414.73 : x
  2. Step 2: Convert to fraction form
    998,486.61/1,498,103.91 = 518,414.73/x
  3. Step 3: Cross multiply
    998,486.61x = 1,498,103.91 × 518,414.73
  4. Step 4: Simplify right side
    998,486.61x = 776,639,134,014.59
  5. Step 5: Solve for x
    x = 776,639,134,014.59/998,486.61
  6. Step 6: Final answer
    x = 777,816.27

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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.