Home / 998,078.40-1,494,493.20-730,389.60

Finding the Fourth Proportional to 998,078.40, 1,494,493.20 and 730,389.60

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Solution

The fourth proportional to 998,078.40, 1,494,493.20 and 730,389.60 is: 1,093,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,078.40 : 1,494,493.20 = 730,389.60 : x
  2. Step 2: Convert to fraction form
    998,078.40/1,494,493.20 = 730,389.60/x
  3. Step 3: Cross multiply
    998,078.40x = 1,494,493.20 × 730,389.60
  4. Step 4: Simplify right side
    998,078.40x = 1,091,562,290,550.72
  5. Step 5: Solve for x
    x = 1,091,562,290,550.72/998,078.40
  6. Step 6: Final answer
    x = 1,093,663.88

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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.