Home / 1,383,724.60-2,075,600.83-485,187.97

Finding the Fourth Proportional to 1,383,724.60, 2,075,600.83 and 485,187.97

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Solution

The fourth proportional to 1,383,724.60, 2,075,600.83 and 485,187.97 is: 727,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,724.60 : 2,075,600.83 = 485,187.97 : x
  2. Step 2: Convert to fraction form
    1,383,724.60/2,075,600.83 = 485,187.97/x
  3. Step 3: Cross multiply
    1,383,724.60x = 2,075,600.83 × 485,187.97
  4. Step 4: Simplify right side
    1,383,724.60x = 1,007,056,546,836.04
  5. Step 5: Solve for x
    x = 1,007,056,546,836.04/1,383,724.60
  6. Step 6: Final answer
    x = 727,786.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.