Home / 1,231,091.20-1,846,636.80-1,156,441.60

Finding the Fourth Proportional to 1,231,091.20, 1,846,636.80 and 1,156,441.60

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Solution

The fourth proportional to 1,231,091.20, 1,846,636.80 and 1,156,441.60 is: 1,734,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,091.20 : 1,846,636.80 = 1,156,441.60 : x
  2. Step 2: Convert to fraction form
    1,231,091.20/1,846,636.80 = 1,156,441.60/x
  3. Step 3: Cross multiply
    1,231,091.20x = 1,846,636.80 × 1,156,441.60
  4. Step 4: Simplify right side
    1,231,091.20x = 2,135,527,615,610.88
  5. Step 5: Solve for x
    x = 2,135,527,615,610.88/1,231,091.20
  6. Step 6: Final answer
    x = 1,734,662.40

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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.