Home / 1,305,179.43-1,800,743.85-760,930.11

Finding the Fourth Proportional to 1,305,179.43, 1,800,743.85 and 760,930.11

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Solution

The fourth proportional to 1,305,179.43, 1,800,743.85 and 760,930.11 is: 1,049,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,179.43 : 1,800,743.85 = 760,930.11 : x
  2. Step 2: Convert to fraction form
    1,305,179.43/1,800,743.85 = 760,930.11/x
  3. Step 3: Cross multiply
    1,305,179.43x = 1,800,743.85 × 760,930.11
  4. Step 4: Simplify right side
    1,305,179.43x = 1,370,240,215,862.32
  5. Step 5: Solve for x
    x = 1,370,240,215,862.32/1,305,179.43
  6. Step 6: Final answer
    x = 1,049,848.15

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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.