Home / 1,375,652.70-2,061,729.45-664,148.70

Finding the Fourth Proportional to 1,375,652.70, 2,061,729.45 and 664,148.70

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Solution

The fourth proportional to 1,375,652.70, 2,061,729.45 and 664,148.70 is: 995,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,652.70 : 2,061,729.45 = 664,148.70 : x
  2. Step 2: Convert to fraction form
    1,375,652.70/2,061,729.45 = 664,148.70/x
  3. Step 3: Cross multiply
    1,375,652.70x = 2,061,729.45 × 664,148.70
  4. Step 4: Simplify right side
    1,375,652.70x = 1,369,294,933,969.21
  5. Step 5: Solve for x
    x = 1,369,294,933,969.21/1,375,652.70
  6. Step 6: Final answer
    x = 995,378.36

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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.