Home / 1,270,650.15-1,906,209.09-417,769.95

Finding the Fourth Proportional to 1,270,650.15, 1,906,209.09 and 417,769.95

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Solution

The fourth proportional to 1,270,650.15, 1,906,209.09 and 417,769.95 is: 626,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,650.15 : 1,906,209.09 = 417,769.95 : x
  2. Step 2: Convert to fraction form
    1,270,650.15/1,906,209.09 = 417,769.95/x
  3. Step 3: Cross multiply
    1,270,650.15x = 1,906,209.09 × 417,769.95
  4. Step 4: Simplify right side
    1,270,650.15x = 796,356,876,218.85
  5. Step 5: Solve for x
    x = 796,356,876,218.85/1,270,650.15
  6. Step 6: Final answer
    x = 626,731.82

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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.