Home / 1,226,576.32-1,839,735.06-328,108.75

Finding the Fourth Proportional to 1,226,576.32, 1,839,735.06 and 328,108.75

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Solution

The fourth proportional to 1,226,576.32, 1,839,735.06 and 328,108.75 is: 492,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,576.32 : 1,839,735.06 = 328,108.75 : x
  2. Step 2: Convert to fraction form
    1,226,576.32/1,839,735.06 = 328,108.75/x
  3. Step 3: Cross multiply
    1,226,576.32x = 1,839,735.06 × 328,108.75
  4. Step 4: Simplify right side
    1,226,576.32x = 603,633,170,867.78
  5. Step 5: Solve for x
    x = 603,633,170,867.78/1,226,576.32
  6. Step 6: Final answer
    x = 492,128.51

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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.