Home / 1,728,080.94-2,591,893.82-513,631.64

Finding the Fourth Proportional to 1,728,080.94, 2,591,893.82 and 513,631.64

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Solution

The fourth proportional to 1,728,080.94, 2,591,893.82 and 513,631.64 is: 770,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,080.94 : 2,591,893.82 = 513,631.64 : x
  2. Step 2: Convert to fraction form
    1,728,080.94/2,591,893.82 = 513,631.64/x
  3. Step 3: Cross multiply
    1,728,080.94x = 2,591,893.82 × 513,631.64
  4. Step 4: Simplify right side
    1,728,080.94x = 1,331,278,673,472.46
  5. Step 5: Solve for x
    x = 1,331,278,673,472.46/1,728,080.94
  6. Step 6: Final answer
    x = 770,379.81

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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.