Home / 1,276,703.10-1,915,662.96-796,800.78

Finding the Fourth Proportional to 1,276,703.10, 1,915,662.96 and 796,800.78

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Solution

The fourth proportional to 1,276,703.10, 1,915,662.96 and 796,800.78 is: 1,195,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,703.10 : 1,915,662.96 = 796,800.78 : x
  2. Step 2: Convert to fraction form
    1,276,703.10/1,915,662.96 = 796,800.78/x
  3. Step 3: Cross multiply
    1,276,703.10x = 1,915,662.96 × 796,800.78
  4. Step 4: Simplify right side
    1,276,703.10x = 1,526,401,740,745.11
  5. Step 5: Solve for x
    x = 1,526,401,740,745.11/1,276,703.10
  6. Step 6: Final answer
    x = 1,195,580.82

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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.