Home / 1,271,240.28-1,753,877.07-727,177.86

Finding the Fourth Proportional to 1,271,240.28, 1,753,877.07 and 727,177.86

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Solution

The fourth proportional to 1,271,240.28, 1,753,877.07 and 727,177.86 is: 1,003,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,240.28 : 1,753,877.07 = 727,177.86 : x
  2. Step 2: Convert to fraction form
    1,271,240.28/1,753,877.07 = 727,177.86/x
  3. Step 3: Cross multiply
    1,271,240.28x = 1,753,877.07 × 727,177.86
  4. Step 4: Simplify right side
    1,271,240.28x = 1,275,380,574,465.67
  5. Step 5: Solve for x
    x = 1,275,380,574,465.67/1,271,240.28
  6. Step 6: Final answer
    x = 1,003,256.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.