Home / 1,100,972.12-1,651,608.27-639,566.87

Finding the Fourth Proportional to 1,100,972.12, 1,651,608.27 and 639,566.87

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Solution

The fourth proportional to 1,100,972.12, 1,651,608.27 and 639,566.87 is: 959,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,972.12 : 1,651,608.27 = 639,566.87 : x
  2. Step 2: Convert to fraction form
    1,100,972.12/1,651,608.27 = 639,566.87/x
  3. Step 3: Cross multiply
    1,100,972.12x = 1,651,608.27 × 639,566.87
  4. Step 4: Simplify right side
    1,100,972.12x = 1,056,313,923,451.97
  5. Step 5: Solve for x
    x = 1,056,313,923,451.97/1,100,972.12
  6. Step 6: Final answer
    x = 959,437.49

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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.