Home / 939,481.28-1,297,445.28-879,295.04

Finding the Fourth Proportional to 939,481.28, 1,297,445.28 and 879,295.04

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Solution

The fourth proportional to 939,481.28, 1,297,445.28 and 879,295.04 is: 1,214,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,481.28 : 1,297,445.28 = 879,295.04 : x
  2. Step 2: Convert to fraction form
    939,481.28/1,297,445.28 = 879,295.04/x
  3. Step 3: Cross multiply
    939,481.28x = 1,297,445.28 × 879,295.04
  4. Step 4: Simplify right side
    939,481.28x = 1,140,837,199,375.41
  5. Step 5: Solve for x
    x = 1,140,837,199,375.41/939,481.28
  6. Step 6: Final answer
    x = 1,214,326.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.