Home / 1,231,000.72-1,846,553.82-378,106.32

Finding the Fourth Proportional to 1,231,000.72, 1,846,553.82 and 378,106.32

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Solution

The fourth proportional to 1,231,000.72, 1,846,553.82 and 378,106.32 is: 567,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,000.72 : 1,846,553.82 = 378,106.32 : x
  2. Step 2: Convert to fraction form
    1,231,000.72/1,846,553.82 = 378,106.32/x
  3. Step 3: Cross multiply
    1,231,000.72x = 1,846,553.82 × 378,106.32
  4. Step 4: Simplify right side
    1,231,000.72x = 698,193,669,562.14
  5. Step 5: Solve for x
    x = 698,193,669,562.14/1,231,000.72
  6. Step 6: Final answer
    x = 567,175.68

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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.