Home / 1,188,523.20-1,781,229.60-477,969.60

Finding the Fourth Proportional to 1,188,523.20, 1,781,229.60 and 477,969.60

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Solution

The fourth proportional to 1,188,523.20, 1,781,229.60 and 477,969.60 is: 716,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,523.20 : 1,781,229.60 = 477,969.60 : x
  2. Step 2: Convert to fraction form
    1,188,523.20/1,781,229.60 = 477,969.60/x
  3. Step 3: Cross multiply
    1,188,523.20x = 1,781,229.60 × 477,969.60
  4. Step 4: Simplify right side
    1,188,523.20x = 851,373,599,420.16
  5. Step 5: Solve for x
    x = 851,373,599,420.16/1,188,523.20
  6. Step 6: Final answer
    x = 716,328.97

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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.