Home / 1,305,121.26-1,801,079.63-732,173.73

Finding the Fourth Proportional to 1,305,121.26, 1,801,079.63 and 732,173.73

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Solution

The fourth proportional to 1,305,121.26, 1,801,079.63 and 732,173.73 is: 1,010,406.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,121.26 : 1,801,079.63 = 732,173.73 : x
  2. Step 2: Convert to fraction form
    1,305,121.26/1,801,079.63 = 732,173.73/x
  3. Step 3: Cross multiply
    1,305,121.26x = 1,801,079.63 × 732,173.73
  4. Step 4: Simplify right side
    1,305,121.26x = 1,318,703,190,724.12
  5. Step 5: Solve for x
    x = 1,318,703,190,724.12/1,305,121.26
  6. Step 6: Final answer
    x = 1,010,406.64

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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.