Home / 1,138,243.30-1,703,678.55-806,467.30

Finding the Fourth Proportional to 1,138,243.30, 1,703,678.55 and 806,467.30

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Solution

The fourth proportional to 1,138,243.30, 1,703,678.55 and 806,467.30 is: 1,207,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,243.30 : 1,703,678.55 = 806,467.30 : x
  2. Step 2: Convert to fraction form
    1,138,243.30/1,703,678.55 = 806,467.30/x
  3. Step 3: Cross multiply
    1,138,243.30x = 1,703,678.55 × 806,467.30
  4. Step 4: Simplify right side
    1,138,243.30x = 1,373,961,040,286.42
  5. Step 5: Solve for x
    x = 1,373,961,040,286.42/1,138,243.30
  6. Step 6: Final answer
    x = 1,207,089.06

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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.