Home / 1,231,861.50-1,847,796.84-378,927.45

Finding the Fourth Proportional to 1,231,861.50, 1,847,796.84 and 378,927.45

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Solution

The fourth proportional to 1,231,861.50, 1,847,796.84 and 378,927.45 is: 568,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,861.50 : 1,847,796.84 = 378,927.45 : x
  2. Step 2: Convert to fraction form
    1,231,861.50/1,847,796.84 = 378,927.45/x
  3. Step 3: Cross multiply
    1,231,861.50x = 1,847,796.84 × 378,927.45
  4. Step 4: Simplify right side
    1,231,861.50x = 700,180,944,699.26
  5. Step 5: Solve for x
    x = 700,180,944,699.26/1,231,861.50
  6. Step 6: Final answer
    x = 568,392.59

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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.