Home / 1,276,406.48-1,761,361.80-703,414.64

Finding the Fourth Proportional to 1,276,406.48, 1,761,361.80 and 703,414.64

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Solution

The fourth proportional to 1,276,406.48, 1,761,361.80 and 703,414.64 is: 970,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,406.48 : 1,761,361.80 = 703,414.64 : x
  2. Step 2: Convert to fraction form
    1,276,406.48/1,761,361.80 = 703,414.64/x
  3. Step 3: Cross multiply
    1,276,406.48x = 1,761,361.80 × 703,414.64
  4. Step 4: Simplify right side
    1,276,406.48x = 1,238,967,676,456.75
  5. Step 5: Solve for x
    x = 1,238,967,676,456.75/1,276,406.48
  6. Step 6: Final answer
    x = 970,668.59

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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.