Home / 801,919.62-1,108,108.89-763,051.14

Finding the Fourth Proportional to 801,919.62, 1,108,108.89 and 763,051.14

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Solution

The fourth proportional to 801,919.62, 1,108,108.89 and 763,051.14 is: 1,054,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,919.62 : 1,108,108.89 = 763,051.14 : x
  2. Step 2: Convert to fraction form
    801,919.62/1,108,108.89 = 763,051.14/x
  3. Step 3: Cross multiply
    801,919.62x = 1,108,108.89 × 763,051.14
  4. Step 4: Simplify right side
    801,919.62x = 845,543,751,758.64
  5. Step 5: Solve for x
    x = 845,543,751,758.64/801,919.62
  6. Step 6: Final answer
    x = 1,054,399.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.