Home / 1,087,299.97-1,629,407.61-800,743.17

Finding the Fourth Proportional to 1,087,299.97, 1,629,407.61 and 800,743.17

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Solution

The fourth proportional to 1,087,299.97, 1,629,407.61 and 800,743.17 is: 1,199,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,299.97 : 1,629,407.61 = 800,743.17 : x
  2. Step 2: Convert to fraction form
    1,087,299.97/1,629,407.61 = 800,743.17/x
  3. Step 3: Cross multiply
    1,087,299.97x = 1,629,407.61 × 800,743.17
  4. Step 4: Simplify right side
    1,087,299.97x = 1,304,737,008,420.29
  5. Step 5: Solve for x
    x = 1,304,737,008,420.29/1,087,299.97
  6. Step 6: Final answer
    x = 1,199,978.89

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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.