Home / 1,273,849.80-1,758,698.16-876,712.56

Finding the Fourth Proportional to 1,273,849.80, 1,758,698.16 and 876,712.56

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Solution

The fourth proportional to 1,273,849.80, 1,758,698.16 and 876,712.56 is: 1,210,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,849.80 : 1,758,698.16 = 876,712.56 : x
  2. Step 2: Convert to fraction form
    1,273,849.80/1,758,698.16 = 876,712.56/x
  3. Step 3: Cross multiply
    1,273,849.80x = 1,758,698.16 × 876,712.56
  4. Step 4: Simplify right side
    1,273,849.80x = 1,541,872,766,120.89
  5. Step 5: Solve for x
    x = 1,541,872,766,120.89/1,273,849.80
  6. Step 6: Final answer
    x = 1,210,403.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.