Home / 998,974.40-1,498,461.60-663,051.20

Finding the Fourth Proportional to 998,974.40, 1,498,461.60 and 663,051.20

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Solution

The fourth proportional to 998,974.40, 1,498,461.60 and 663,051.20 is: 994,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,974.40 : 1,498,461.60 = 663,051.20 : x
  2. Step 2: Convert to fraction form
    998,974.40/1,498,461.60 = 663,051.20/x
  3. Step 3: Cross multiply
    998,974.40x = 1,498,461.60 × 663,051.20
  4. Step 4: Simplify right side
    998,974.40x = 993,556,762,033.92
  5. Step 5: Solve for x
    x = 993,556,762,033.92/998,974.40
  6. Step 6: Final answer
    x = 994,576.80

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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.