Home / 1,267,986-1,904,348.28-1,116,236.88

Finding the Fourth Proportional to 1,267,986, 1,904,348.28 and 1,116,236.88

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Solution

The fourth proportional to 1,267,986, 1,904,348.28 and 1,116,236.88 is: 1,676,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,986 : 1,904,348.28 = 1,116,236.88 : x
  2. Step 2: Convert to fraction form
    1,267,986/1,904,348.28 = 1,116,236.88/x
  3. Step 3: Cross multiply
    1,267,986x = 1,904,348.28 × 1,116,236.88
  4. Step 4: Simplify right side
    1,267,986x = 2,125,703,782,500.57
  5. Step 5: Solve for x
    x = 2,125,703,782,500.57/1,267,986
  6. Step 6: Final answer
    x = 1,676,441.05

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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.