Home / 1,339,306.56-2,008,917.72-328,431.60

Finding the Fourth Proportional to 1,339,306.56, 2,008,917.72 and 328,431.60

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Solution

The fourth proportional to 1,339,306.56, 2,008,917.72 and 328,431.60 is: 492,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,306.56 : 2,008,917.72 = 328,431.60 : x
  2. Step 2: Convert to fraction form
    1,339,306.56/2,008,917.72 = 328,431.60/x
  3. Step 3: Cross multiply
    1,339,306.56x = 2,008,917.72 × 328,431.60
  4. Step 4: Simplify right side
    1,339,306.56x = 659,792,061,047.95
  5. Step 5: Solve for x
    x = 659,792,061,047.95/1,339,306.56
  6. Step 6: Final answer
    x = 492,637.07

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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.