Home / 1,269,906.10-1,904,859.15-512,110.60

Finding the Fourth Proportional to 1,269,906.10, 1,904,859.15 and 512,110.60

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Solution

The fourth proportional to 1,269,906.10, 1,904,859.15 and 512,110.60 is: 768,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,906.10 : 1,904,859.15 = 512,110.60 : x
  2. Step 2: Convert to fraction form
    1,269,906.10/1,904,859.15 = 512,110.60/x
  3. Step 3: Cross multiply
    1,269,906.10x = 1,904,859.15 × 512,110.60
  4. Step 4: Simplify right side
    1,269,906.10x = 975,498,562,221.99
  5. Step 5: Solve for x
    x = 975,498,562,221.99/1,269,906.10
  6. Step 6: Final answer
    x = 768,165.90

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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.