Home / 981,720.92-1,472,583.40-271,751.06

Finding the Fourth Proportional to 981,720.92, 1,472,583.40 and 271,751.06

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Solution

The fourth proportional to 981,720.92, 1,472,583.40 and 271,751.06 is: 407,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,720.92 : 1,472,583.40 = 271,751.06 : x
  2. Step 2: Convert to fraction form
    981,720.92/1,472,583.40 = 271,751.06/x
  3. Step 3: Cross multiply
    981,720.92x = 1,472,583.40 × 271,751.06
  4. Step 4: Simplify right side
    981,720.92x = 400,176,099,888.40
  5. Step 5: Solve for x
    x = 400,176,099,888.40/981,720.92
  6. Step 6: Final answer
    x = 407,627.15

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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.