Home / 1,520,234.78-2,280,706.74-440,769.78

Finding the Fourth Proportional to 1,520,234.78, 2,280,706.74 and 440,769.78

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Solution

The fourth proportional to 1,520,234.78, 2,280,706.74 and 440,769.78 is: 661,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,234.78 : 2,280,706.74 = 440,769.78 : x
  2. Step 2: Convert to fraction form
    1,520,234.78/2,280,706.74 = 440,769.78/x
  3. Step 3: Cross multiply
    1,520,234.78x = 2,280,706.74 × 440,769.78
  4. Step 4: Simplify right side
    1,520,234.78x = 1,005,266,608,034.32
  5. Step 5: Solve for x
    x = 1,005,266,608,034.32/1,520,234.78
  6. Step 6: Final answer
    x = 661,257.47

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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.