Home / 1,013,149.08-1,519,723.32-381,915.27

Finding the Fourth Proportional to 1,013,149.08, 1,519,723.32 and 381,915.27

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Solution

The fourth proportional to 1,013,149.08, 1,519,723.32 and 381,915.27 is: 572,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,149.08 : 1,519,723.32 = 381,915.27 : x
  2. Step 2: Convert to fraction form
    1,013,149.08/1,519,723.32 = 381,915.27/x
  3. Step 3: Cross multiply
    1,013,149.08x = 1,519,723.32 × 381,915.27
  4. Step 4: Simplify right side
    1,013,149.08x = 580,405,540,650.91
  5. Step 5: Solve for x
    x = 580,405,540,650.91/1,013,149.08
  6. Step 6: Final answer
    x = 572,872.79

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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.