Home / 1,379,199.46-2,068,778.37-620,505.16

Finding the Fourth Proportional to 1,379,199.46, 2,068,778.37 and 620,505.16

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Solution

The fourth proportional to 1,379,199.46, 2,068,778.37 and 620,505.16 is: 930,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,199.46 : 2,068,778.37 = 620,505.16 : x
  2. Step 2: Convert to fraction form
    1,379,199.46/2,068,778.37 = 620,505.16/x
  3. Step 3: Cross multiply
    1,379,199.46x = 2,068,778.37 × 620,505.16
  4. Step 4: Simplify right side
    1,379,199.46x = 1,283,687,640,034.97
  5. Step 5: Solve for x
    x = 1,283,687,640,034.97/1,379,199.46
  6. Step 6: Final answer
    x = 930,748.37

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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.