Home / 1,008,109.80-1,512,164.70-914,797.80

Finding the Fourth Proportional to 1,008,109.80, 1,512,164.70 and 914,797.80

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Solution

The fourth proportional to 1,008,109.80, 1,512,164.70 and 914,797.80 is: 1,372,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,109.80 : 1,512,164.70 = 914,797.80 : x
  2. Step 2: Convert to fraction form
    1,008,109.80/1,512,164.70 = 914,797.80/x
  3. Step 3: Cross multiply
    1,008,109.80x = 1,512,164.70 × 914,797.80
  4. Step 4: Simplify right side
    1,008,109.80x = 1,383,324,940,797.66
  5. Step 5: Solve for x
    x = 1,383,324,940,797.66/1,008,109.80
  6. Step 6: Final answer
    x = 1,372,196.70

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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.