Home / 1,152,757.08-1,728,563.64-394,383.96

Finding the Fourth Proportional to 1,152,757.08, 1,728,563.64 and 394,383.96

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Solution

The fourth proportional to 1,152,757.08, 1,728,563.64 and 394,383.96 is: 591,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,757.08 : 1,728,563.64 = 394,383.96 : x
  2. Step 2: Convert to fraction form
    1,152,757.08/1,728,563.64 = 394,383.96/x
  3. Step 3: Cross multiply
    1,152,757.08x = 1,728,563.64 × 394,383.96
  4. Step 4: Simplify right side
    1,152,757.08x = 681,717,773,455.21
  5. Step 5: Solve for x
    x = 681,717,773,455.21/1,152,757.08
  6. Step 6: Final answer
    x = 591,380.25

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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.