Home / 1,305,108.39-1,801,821.74-822,087.57

Finding the Fourth Proportional to 1,305,108.39, 1,801,821.74 and 822,087.57

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Solution

The fourth proportional to 1,305,108.39, 1,801,821.74 and 822,087.57 is: 1,134,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,108.39 : 1,801,821.74 = 822,087.57 : x
  2. Step 2: Convert to fraction form
    1,305,108.39/1,801,821.74 = 822,087.57/x
  3. Step 3: Cross multiply
    1,305,108.39x = 1,801,821.74 × 822,087.57
  4. Step 4: Simplify right side
    1,305,108.39x = 1,481,255,251,699.33
  5. Step 5: Solve for x
    x = 1,481,255,251,699.33/1,305,108.39
  6. Step 6: Final answer
    x = 1,134,967.23

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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.