Home / 1,188,531.20-1,781,241.60-477,977.60

Finding the Fourth Proportional to 1,188,531.20, 1,781,241.60 and 477,977.60

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Solution

The fourth proportional to 1,188,531.20, 1,781,241.60 and 477,977.60 is: 716,340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,531.20 : 1,781,241.60 = 477,977.60 : x
  2. Step 2: Convert to fraction form
    1,188,531.20/1,781,241.60 = 477,977.60/x
  3. Step 3: Cross multiply
    1,188,531.20x = 1,781,241.60 × 477,977.60
  4. Step 4: Simplify right side
    1,188,531.20x = 851,393,584,988.16
  5. Step 5: Solve for x
    x = 851,393,584,988.16/1,188,531.20
  6. Step 6: Final answer
    x = 716,340.96

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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.