Home / 1,375,196.69-2,063,217.36-656,455.55

Finding the Fourth Proportional to 1,375,196.69, 2,063,217.36 and 656,455.55

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Solution

The fourth proportional to 1,375,196.69, 2,063,217.36 and 656,455.55 is: 984,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,196.69 : 2,063,217.36 = 656,455.55 : x
  2. Step 2: Convert to fraction form
    1,375,196.69/2,063,217.36 = 656,455.55/x
  3. Step 3: Cross multiply
    1,375,196.69x = 2,063,217.36 × 656,455.55
  4. Step 4: Simplify right side
    1,375,196.69x = 1,354,410,476,512.26
  5. Step 5: Solve for x
    x = 1,354,410,476,512.26/1,375,196.69
  6. Step 6: Final answer
    x = 984,884.92

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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.