Home / 1,252,945.20-1,878,105.60-494,493.60

Finding the Fourth Proportional to 1,252,945.20, 1,878,105.60 and 494,493.60

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Solution

The fourth proportional to 1,252,945.20, 1,878,105.60 and 494,493.60 is: 741,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,945.20 : 1,878,105.60 = 494,493.60 : x
  2. Step 2: Convert to fraction form
    1,252,945.20/1,878,105.60 = 494,493.60/x
  3. Step 3: Cross multiply
    1,252,945.20x = 1,878,105.60 × 494,493.60
  4. Step 4: Simplify right side
    1,252,945.20x = 928,711,199,324.16
  5. Step 5: Solve for x
    x = 928,711,199,324.16/1,252,945.20
  6. Step 6: Final answer
    x = 741,222.52

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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.