Home / 1,489,941.70-2,234,912.55-543,343.30

Finding the Fourth Proportional to 1,489,941.70, 2,234,912.55 and 543,343.30

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Solution

The fourth proportional to 1,489,941.70, 2,234,912.55 and 543,343.30 is: 815,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,941.70 : 2,234,912.55 = 543,343.30 : x
  2. Step 2: Convert to fraction form
    1,489,941.70/2,234,912.55 = 543,343.30/x
  3. Step 3: Cross multiply
    1,489,941.70x = 2,234,912.55 × 543,343.30
  4. Step 4: Simplify right side
    1,489,941.70x = 1,214,324,760,128.42
  5. Step 5: Solve for x
    x = 1,214,324,760,128.42/1,489,941.70
  6. Step 6: Final answer
    x = 815,014.95

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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.