Home / 781,664.56-1,163,955.68-752,935.88

Finding the Fourth Proportional to 781,664.56, 1,163,955.68 and 752,935.88

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Solution

The fourth proportional to 781,664.56, 1,163,955.68 and 752,935.88 is: 1,121,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,664.56 : 1,163,955.68 = 752,935.88 : x
  2. Step 2: Convert to fraction form
    781,664.56/1,163,955.68 = 752,935.88/x
  3. Step 3: Cross multiply
    781,664.56x = 1,163,955.68 × 752,935.88
  4. Step 4: Simplify right side
    781,664.56x = 876,383,994,201.80
  5. Step 5: Solve for x
    x = 876,383,994,201.80/781,664.56
  6. Step 6: Final answer
    x = 1,121,176.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.