Home / 1,371,204.06-2,052,672.60-738,198.78

Finding the Fourth Proportional to 1,371,204.06, 2,052,672.60 and 738,198.78

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Solution

The fourth proportional to 1,371,204.06, 2,052,672.60 and 738,198.78 is: 1,105,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,204.06 : 2,052,672.60 = 738,198.78 : x
  2. Step 2: Convert to fraction form
    1,371,204.06/2,052,672.60 = 738,198.78/x
  3. Step 3: Cross multiply
    1,371,204.06x = 2,052,672.60 × 738,198.78
  4. Step 4: Simplify right side
    1,371,204.06x = 1,515,280,409,059.43
  5. Step 5: Solve for x
    x = 1,515,280,409,059.43/1,371,204.06
  6. Step 6: Final answer
    x = 1,105,072.87

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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.