Home / 667,040.89-1,000,543.20-187,272.70

Finding the Fourth Proportional to 667,040.89, 1,000,543.20 and 187,272.70

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Solution

The fourth proportional to 667,040.89, 1,000,543.20 and 187,272.70 is: 280,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,040.89 : 1,000,543.20 = 187,272.70 : x
  2. Step 2: Convert to fraction form
    667,040.89/1,000,543.20 = 187,272.70/x
  3. Step 3: Cross multiply
    667,040.89x = 1,000,543.20 × 187,272.70
  4. Step 4: Simplify right side
    667,040.89x = 187,374,426,530.64
  5. Step 5: Solve for x
    x = 187,374,426,530.64/667,040.89
  6. Step 6: Final answer
    x = 280,903.96

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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.