Home / 1,098,343.90-1,647,515.85-673,191.10

Finding the Fourth Proportional to 1,098,343.90, 1,647,515.85 and 673,191.10

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Solution

The fourth proportional to 1,098,343.90, 1,647,515.85 and 673,191.10 is: 1,009,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,343.90 : 1,647,515.85 = 673,191.10 : x
  2. Step 2: Convert to fraction form
    1,098,343.90/1,647,515.85 = 673,191.10/x
  3. Step 3: Cross multiply
    1,098,343.90x = 1,647,515.85 × 673,191.10
  4. Step 4: Simplify right side
    1,098,343.90x = 1,109,093,007,328.94
  5. Step 5: Solve for x
    x = 1,109,093,007,328.94/1,098,343.90
  6. Step 6: Final answer
    x = 1,009,786.65

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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.