Home / 1,274,156.76-1,908,993.09-1,198,301.88

Finding the Fourth Proportional to 1,274,156.76, 1,908,993.09 and 1,198,301.88

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Solution

The fourth proportional to 1,274,156.76, 1,908,993.09 and 1,198,301.88 is: 1,795,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,156.76 : 1,908,993.09 = 1,198,301.88 : x
  2. Step 2: Convert to fraction form
    1,274,156.76/1,908,993.09 = 1,198,301.88/x
  3. Step 3: Cross multiply
    1,274,156.76x = 1,908,993.09 × 1,198,301.88
  4. Step 4: Simplify right side
    1,274,156.76x = 2,287,550,008,654.01
  5. Step 5: Solve for x
    x = 2,287,550,008,654.01/1,274,156.76
  6. Step 6: Final answer
    x = 1,795,344.25

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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.