Home / 744,942.80-1,117,414.20-670,293.20

Finding the Fourth Proportional to 744,942.80, 1,117,414.20 and 670,293.20

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Solution

The fourth proportional to 744,942.80, 1,117,414.20 and 670,293.20 is: 1,005,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,942.80 : 1,117,414.20 = 670,293.20 : x
  2. Step 2: Convert to fraction form
    744,942.80/1,117,414.20 = 670,293.20/x
  3. Step 3: Cross multiply
    744,942.80x = 1,117,414.20 × 670,293.20
  4. Step 4: Simplify right side
    744,942.80x = 748,995,139,843.44
  5. Step 5: Solve for x
    x = 748,995,139,843.44/744,942.80
  6. Step 6: Final answer
    x = 1,005,439.80

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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.