Home / 1,276,757.16-1,761,889.50-703,797.18

Finding the Fourth Proportional to 1,276,757.16, 1,761,889.50 and 703,797.18

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Solution

The fourth proportional to 1,276,757.16, 1,761,889.50 and 703,797.18 is: 971,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,757.16 : 1,761,889.50 = 703,797.18 : x
  2. Step 2: Convert to fraction form
    1,276,757.16/1,761,889.50 = 703,797.18/x
  3. Step 3: Cross multiply
    1,276,757.16x = 1,761,889.50 × 703,797.18
  4. Step 4: Simplify right side
    1,276,757.16x = 1,240,012,861,571.61
  5. Step 5: Solve for x
    x = 1,240,012,861,571.61/1,276,757.16
  6. Step 6: Final answer
    x = 971,220.61

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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.