Home / 1,098,380.40-1,647,570.60-673,227.60

Finding the Fourth Proportional to 1,098,380.40, 1,647,570.60 and 673,227.60

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Solution

The fourth proportional to 1,098,380.40, 1,647,570.60 and 673,227.60 is: 1,009,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,380.40 : 1,647,570.60 = 673,227.60 : x
  2. Step 2: Convert to fraction form
    1,098,380.40/1,647,570.60 = 673,227.60/x
  3. Step 3: Cross multiply
    1,098,380.40x = 1,647,570.60 × 673,227.60
  4. Step 4: Simplify right side
    1,098,380.40x = 1,109,190,000,868.56
  5. Step 5: Solve for x
    x = 1,109,190,000,868.56/1,098,380.40
  6. Step 6: Final answer
    x = 1,009,841.40

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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.