Home / 1,305,081.88-1,801,229.43-761,217.64

Finding the Fourth Proportional to 1,305,081.88, 1,801,229.43 and 761,217.64

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Solution

The fourth proportional to 1,305,081.88, 1,801,229.43 and 761,217.64 is: 1,050,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,081.88 : 1,801,229.43 = 761,217.64 : x
  2. Step 2: Convert to fraction form
    1,305,081.88/1,801,229.43 = 761,217.64/x
  3. Step 3: Cross multiply
    1,305,081.88x = 1,801,229.43 × 761,217.64
  4. Step 4: Simplify right side
    1,305,081.88x = 1,371,127,621,414.44
  5. Step 5: Solve for x
    x = 1,371,127,621,414.44/1,305,081.88
  6. Step 6: Final answer
    x = 1,050,606.58

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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.