Home / 1,040,112.60-1,560,168.90-880,680.30

Finding the Fourth Proportional to 1,040,112.60, 1,560,168.90 and 880,680.30

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Solution

The fourth proportional to 1,040,112.60, 1,560,168.90 and 880,680.30 is: 1,321,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,112.60 : 1,560,168.90 = 880,680.30 : x
  2. Step 2: Convert to fraction form
    1,040,112.60/1,560,168.90 = 880,680.30/x
  3. Step 3: Cross multiply
    1,040,112.60x = 1,560,168.90 × 880,680.30
  4. Step 4: Simplify right side
    1,040,112.60x = 1,374,010,014,902.67
  5. Step 5: Solve for x
    x = 1,374,010,014,902.67/1,040,112.60
  6. Step 6: Final answer
    x = 1,321,020.45

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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.