Home / 1,276,213.92-1,761,187.01-703,274.59

Finding the Fourth Proportional to 1,276,213.92, 1,761,187.01 and 703,274.59

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Solution

The fourth proportional to 1,276,213.92, 1,761,187.01 and 703,274.59 is: 970,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,213.92 : 1,761,187.01 = 703,274.59 : x
  2. Step 2: Convert to fraction form
    1,276,213.92/1,761,187.01 = 703,274.59/x
  3. Step 3: Cross multiply
    1,276,213.92x = 1,761,187.01 × 703,274.59
  4. Step 4: Simplify right side
    1,276,213.92x = 1,238,598,072,371.08
  5. Step 5: Solve for x
    x = 1,238,598,072,371.08/1,276,213.92
  6. Step 6: Final answer
    x = 970,525.44

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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.