Home / 921,184.56-1,380,092.84-667,837.60

Finding the Fourth Proportional to 921,184.56, 1,380,092.84 and 667,837.60

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Solution

The fourth proportional to 921,184.56, 1,380,092.84 and 667,837.60 is: 1,000,535.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,184.56 : 1,380,092.84 = 667,837.60 : x
  2. Step 2: Convert to fraction form
    921,184.56/1,380,092.84 = 667,837.60/x
  3. Step 3: Cross multiply
    921,184.56x = 1,380,092.84 × 667,837.60
  4. Step 4: Simplify right side
    921,184.56x = 921,677,890,042.78
  5. Step 5: Solve for x
    x = 921,677,890,042.78/921,184.56
  6. Step 6: Final answer
    x = 1,000,535.54

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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.