Home / 1,496,721.78-2,244,812.94-431,502.12

Finding the Fourth Proportional to 1,496,721.78, 2,244,812.94 and 431,502.12

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Solution

The fourth proportional to 1,496,721.78, 2,244,812.94 and 431,502.12 is: 647,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,721.78 : 2,244,812.94 = 431,502.12 : x
  2. Step 2: Convert to fraction form
    1,496,721.78/2,244,812.94 = 431,502.12/x
  3. Step 3: Cross multiply
    1,496,721.78x = 2,244,812.94 × 431,502.12
  4. Step 4: Simplify right side
    1,496,721.78x = 968,641,542,613.43
  5. Step 5: Solve for x
    x = 968,641,542,613.43/1,496,721.78
  6. Step 6: Final answer
    x = 647,175.42

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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.