Home / 1,173,375.90-1,619,422.77-847,742.79

Finding the Fourth Proportional to 1,173,375.90, 1,619,422.77 and 847,742.79

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Solution

The fourth proportional to 1,173,375.90, 1,619,422.77 and 847,742.79 is: 1,170,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,375.90 : 1,619,422.77 = 847,742.79 : x
  2. Step 2: Convert to fraction form
    1,173,375.90/1,619,422.77 = 847,742.79/x
  3. Step 3: Cross multiply
    1,173,375.90x = 1,619,422.77 × 847,742.79
  4. Step 4: Simplify right side
    1,173,375.90x = 1,372,853,977,229.33
  5. Step 5: Solve for x
    x = 1,372,853,977,229.33/1,173,375.90
  6. Step 6: Final answer
    x = 1,170,003.56

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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.