Home / 1,276,382.36-1,761,407.60-703,422.51

Finding the Fourth Proportional to 1,276,382.36, 1,761,407.60 and 703,422.51

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Solution

The fourth proportional to 1,276,382.36, 1,761,407.60 and 703,422.51 is: 970,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,382.36 : 1,761,407.60 = 703,422.51 : x
  2. Step 2: Convert to fraction form
    1,276,382.36/1,761,407.60 = 703,422.51/x
  3. Step 3: Cross multiply
    1,276,382.36x = 1,761,407.60 × 703,422.51
  4. Step 4: Simplify right side
    1,276,382.36x = 1,239,013,751,607.96
  5. Step 5: Solve for x
    x = 1,239,013,751,607.96/1,276,382.36
  6. Step 6: Final answer
    x = 970,723.03

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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.