Home / 1,276,370.96-1,761,403.56-703,431.92

Finding the Fourth Proportional to 1,276,370.96, 1,761,403.56 and 703,431.92

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Solution

The fourth proportional to 1,276,370.96, 1,761,403.56 and 703,431.92 is: 970,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,370.96 : 1,761,403.56 = 703,431.92 : x
  2. Step 2: Convert to fraction form
    1,276,370.96/1,761,403.56 = 703,431.92/x
  3. Step 3: Cross multiply
    1,276,370.96x = 1,761,403.56 × 703,431.92
  4. Step 4: Simplify right side
    1,276,370.96x = 1,239,027,488,105.64
  5. Step 5: Solve for x
    x = 1,239,027,488,105.64/1,276,370.96
  6. Step 6: Final answer
    x = 970,742.46

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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.