Home / 1,682,428.44-2,321,883.78-957,306.72

Finding the Fourth Proportional to 1,682,428.44, 2,321,883.78 and 957,306.72

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Solution

The fourth proportional to 1,682,428.44, 2,321,883.78 and 957,306.72 is: 1,321,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,428.44 : 2,321,883.78 = 957,306.72 : x
  2. Step 2: Convert to fraction form
    1,682,428.44/2,321,883.78 = 957,306.72/x
  3. Step 3: Cross multiply
    1,682,428.44x = 2,321,883.78 × 957,306.72
  4. Step 4: Simplify right side
    1,682,428.44x = 2,222,754,945,653.00
  5. Step 5: Solve for x
    x = 2,222,754,945,653.00/1,682,428.44
  6. Step 6: Final answer
    x = 1,321,158.69

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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.