Home / 1,305,086.06-1,801,010.84-761,179.16

Finding the Fourth Proportional to 1,305,086.06, 1,801,010.84 and 761,179.16

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Solution

The fourth proportional to 1,305,086.06, 1,801,010.84 and 761,179.16 is: 1,050,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,086.06 : 1,801,010.84 = 761,179.16 : x
  2. Step 2: Convert to fraction form
    1,305,086.06/1,801,010.84 = 761,179.16/x
  3. Step 3: Cross multiply
    1,305,086.06x = 1,801,010.84 × 761,179.16
  4. Step 4: Simplify right side
    1,305,086.06x = 1,370,891,918,342.09
  5. Step 5: Solve for x
    x = 1,370,891,918,342.09/1,305,086.06
  6. Step 6: Final answer
    x = 1,050,422.62

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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.