Home / 1,150,174.68-1,587,205.69-720,691.62

Finding the Fourth Proportional to 1,150,174.68, 1,587,205.69 and 720,691.62

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Solution

The fourth proportional to 1,150,174.68, 1,587,205.69 and 720,691.62 is: 994,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,174.68 : 1,587,205.69 = 720,691.62 : x
  2. Step 2: Convert to fraction form
    1,150,174.68/1,587,205.69 = 720,691.62/x
  3. Step 3: Cross multiply
    1,150,174.68x = 1,587,205.69 × 720,691.62
  4. Step 4: Simplify right side
    1,150,174.68x = 1,143,885,839,999.32
  5. Step 5: Solve for x
    x = 1,143,885,839,999.32/1,150,174.68
  6. Step 6: Final answer
    x = 994,532.27

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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.