Home / 1,276,092.12-1,761,085.72-703,132.14

Finding the Fourth Proportional to 1,276,092.12, 1,761,085.72 and 703,132.14

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Solution

The fourth proportional to 1,276,092.12, 1,761,085.72 and 703,132.14 is: 970,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,092.12 : 1,761,085.72 = 703,132.14 : x
  2. Step 2: Convert to fraction form
    1,276,092.12/1,761,085.72 = 703,132.14/x
  3. Step 3: Cross multiply
    1,276,092.12x = 1,761,085.72 × 703,132.14
  4. Step 4: Simplify right side
    1,276,092.12x = 1,238,275,971,027.04
  5. Step 5: Solve for x
    x = 1,238,275,971,027.04/1,276,092.12
  6. Step 6: Final answer
    x = 970,365.66

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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.