Home / 1,276,708.32-1,761,857.04-703,758.06

Finding the Fourth Proportional to 1,276,708.32, 1,761,857.04 and 703,758.06

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Solution

The fourth proportional to 1,276,708.32, 1,761,857.04 and 703,758.06 is: 971,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,708.32 : 1,761,857.04 = 703,758.06 : x
  2. Step 2: Convert to fraction form
    1,276,708.32/1,761,857.04 = 703,758.06/x
  3. Step 3: Cross multiply
    1,276,708.32x = 1,761,857.04 × 703,758.06
  4. Step 4: Simplify right side
    1,276,708.32x = 1,239,921,092,467.74
  5. Step 5: Solve for x
    x = 1,239,921,092,467.74/1,276,708.32
  6. Step 6: Final answer
    x = 971,185.88

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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.