Home / 1,728,125.80-2,591,961.04-513,676.48

Finding the Fourth Proportional to 1,728,125.80, 2,591,961.04 and 513,676.48

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Solution

The fourth proportional to 1,728,125.80, 2,591,961.04 and 513,676.48 is: 770,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,125.80 : 2,591,961.04 = 513,676.48 : x
  2. Step 2: Convert to fraction form
    1,728,125.80/2,591,961.04 = 513,676.48/x
  3. Step 3: Cross multiply
    1,728,125.80x = 2,591,961.04 × 513,676.48
  4. Step 4: Simplify right side
    1,728,125.80x = 1,331,429,423,324.34
  5. Step 5: Solve for x
    x = 1,331,429,423,324.34/1,728,125.80
  6. Step 6: Final answer
    x = 770,447.05

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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.