Home / 1,115,512.80-1,676,768.40-1,094,517.60

Finding the Fourth Proportional to 1,115,512.80, 1,676,768.40 and 1,094,517.60

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Solution

The fourth proportional to 1,115,512.80, 1,676,768.40 and 1,094,517.60 is: 1,645,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,512.80 : 1,676,768.40 = 1,094,517.60 : x
  2. Step 2: Convert to fraction form
    1,115,512.80/1,676,768.40 = 1,094,517.60/x
  3. Step 3: Cross multiply
    1,115,512.80x = 1,676,768.40 × 1,094,517.60
  4. Step 4: Simplify right side
    1,115,512.80x = 1,835,252,524,923.84
  5. Step 5: Solve for x
    x = 1,835,252,524,923.84/1,115,512.80
  6. Step 6: Final answer
    x = 1,645,209.74

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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.