Home / 1,311,537.78-1,967,376.87-413,049.49

Finding the Fourth Proportional to 1,311,537.78, 1,967,376.87 and 413,049.49

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Solution

The fourth proportional to 1,311,537.78, 1,967,376.87 and 413,049.49 is: 619,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,537.78 : 1,967,376.87 = 413,049.49 : x
  2. Step 2: Convert to fraction form
    1,311,537.78/1,967,376.87 = 413,049.49/x
  3. Step 3: Cross multiply
    1,311,537.78x = 1,967,376.87 × 413,049.49
  4. Step 4: Simplify right side
    1,311,537.78x = 812,624,007,872.85
  5. Step 5: Solve for x
    x = 812,624,007,872.85/1,311,537.78
  6. Step 6: Final answer
    x = 619,596.34

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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.