Home / 1,241,276.25-1,861,911.06-330,458.73

Finding the Fourth Proportional to 1,241,276.25, 1,861,911.06 and 330,458.73

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Solution

The fourth proportional to 1,241,276.25, 1,861,911.06 and 330,458.73 is: 495,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,276.25 : 1,861,911.06 = 330,458.73 : x
  2. Step 2: Convert to fraction form
    1,241,276.25/1,861,911.06 = 330,458.73/x
  3. Step 3: Cross multiply
    1,241,276.25x = 1,861,911.06 × 330,458.73
  4. Step 4: Simplify right side
    1,241,276.25x = 615,284,764,260.55
  5. Step 5: Solve for x
    x = 615,284,764,260.55/1,241,276.25
  6. Step 6: Final answer
    x = 495,687.21

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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.