Home / 998,855.36-1,498,087.56-831,451.04

Finding the Fourth Proportional to 998,855.36, 1,498,087.56 and 831,451.04

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Solution

The fourth proportional to 998,855.36, 1,498,087.56 and 831,451.04 is: 1,247,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,855.36 : 1,498,087.56 = 831,451.04 : x
  2. Step 2: Convert to fraction form
    998,855.36/1,498,087.56 = 831,451.04/x
  3. Step 3: Cross multiply
    998,855.36x = 1,498,087.56 × 831,451.04
  4. Step 4: Simplify right side
    998,855.36x = 1,245,586,459,773.06
  5. Step 5: Solve for x
    x = 1,245,586,459,773.06/998,855.36
  6. Step 6: Final answer
    x = 1,247,013.84

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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.