Home / 1,341,380.36-2,012,270.60-442,917

Finding the Fourth Proportional to 1,341,380.36, 2,012,270.60 and 442,917

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Solution

The fourth proportional to 1,341,380.36, 2,012,270.60 and 442,917 is: 664,441.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,380.36 : 2,012,270.60 = 442,917 : x
  2. Step 2: Convert to fraction form
    1,341,380.36/2,012,270.60 = 442,917/x
  3. Step 3: Cross multiply
    1,341,380.36x = 2,012,270.60 × 442,917
  4. Step 4: Simplify right side
    1,341,380.36x = 891,268,857,340.20
  5. Step 5: Solve for x
    x = 891,268,857,340.20/1,341,380.36
  6. Step 6: Final answer
    x = 664,441.56

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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.