Home / 1,276,754.28-1,761,932.76-703,815

Finding the Fourth Proportional to 1,276,754.28, 1,761,932.76 and 703,815

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Solution

The fourth proportional to 1,276,754.28, 1,761,932.76 and 703,815 is: 971,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,754.28 : 1,761,932.76 = 703,815 : x
  2. Step 2: Convert to fraction form
    1,276,754.28/1,761,932.76 = 703,815/x
  3. Step 3: Cross multiply
    1,276,754.28x = 1,761,932.76 × 703,815
  4. Step 4: Simplify right side
    1,276,754.28x = 1,240,074,705,479.40
  5. Step 5: Solve for x
    x = 1,240,074,705,479.40/1,276,754.28
  6. Step 6: Final answer
    x = 971,271.23

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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.