Home / 1,115,187.75-1,672,814.43-273,739.50

Finding the Fourth Proportional to 1,115,187.75, 1,672,814.43 and 273,739.50

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Solution

The fourth proportional to 1,115,187.75, 1,672,814.43 and 273,739.50 is: 410,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,187.75 : 1,672,814.43 = 273,739.50 : x
  2. Step 2: Convert to fraction form
    1,115,187.75/1,672,814.43 = 273,739.50/x
  3. Step 3: Cross multiply
    1,115,187.75x = 1,672,814.43 × 273,739.50
  4. Step 4: Simplify right side
    1,115,187.75x = 457,915,385,660.99
  5. Step 5: Solve for x
    x = 457,915,385,660.99/1,115,187.75
  6. Step 6: Final answer
    x = 410,617.30

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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.