Home / 1,002,998.72-1,504,872.62-404,129.78

Finding the Fourth Proportional to 1,002,998.72, 1,504,872.62 and 404,129.78

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Solution

The fourth proportional to 1,002,998.72, 1,504,872.62 and 404,129.78 is: 606,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,998.72 : 1,504,872.62 = 404,129.78 : x
  2. Step 2: Convert to fraction form
    1,002,998.72/1,504,872.62 = 404,129.78/x
  3. Step 3: Cross multiply
    1,002,998.72x = 1,504,872.62 × 404,129.78
  4. Step 4: Simplify right side
    1,002,998.72x = 608,163,840,848.62
  5. Step 5: Solve for x
    x = 608,163,840,848.62/1,002,998.72
  6. Step 6: Final answer
    x = 606,345.58

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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.