Home / 1,610,995.72-2,222,620.68-998,928.04

Finding the Fourth Proportional to 1,610,995.72, 2,222,620.68 and 998,928.04

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Solution

The fourth proportional to 1,610,995.72, 2,222,620.68 and 998,928.04 is: 1,378,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,995.72 : 2,222,620.68 = 998,928.04 : x
  2. Step 2: Convert to fraction form
    1,610,995.72/2,222,620.68 = 998,928.04/x
  3. Step 3: Cross multiply
    1,610,995.72x = 2,222,620.68 × 998,928.04
  4. Step 4: Simplify right side
    1,610,995.72x = 2,220,238,119,535.87
  5. Step 5: Solve for x
    x = 2,220,238,119,535.87/1,610,995.72
  6. Step 6: Final answer
    x = 1,378,177.54

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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.