Home / 998,112.60-1,494,836.10-978,067.80

Finding the Fourth Proportional to 998,112.60, 1,494,836.10 and 978,067.80

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Solution

The fourth proportional to 998,112.60, 1,494,836.10 and 978,067.80 is: 1,464,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,112.60 : 1,494,836.10 = 978,067.80 : x
  2. Step 2: Convert to fraction form
    998,112.60/1,494,836.10 = 978,067.80/x
  3. Step 3: Cross multiply
    998,112.60x = 1,494,836.10 × 978,067.80
  4. Step 4: Simplify right side
    998,112.60x = 1,462,051,055,687.58
  5. Step 5: Solve for x
    x = 1,462,051,055,687.58/998,112.60
  6. Step 6: Final answer
    x = 1,464,815.75

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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.