Home / 1,266,168.64-1,747,479.12-722,179.79

Finding the Fourth Proportional to 1,266,168.64, 1,747,479.12 and 722,179.79

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Solution

The fourth proportional to 1,266,168.64, 1,747,479.12 and 722,179.79 is: 996,703.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,168.64 : 1,747,479.12 = 722,179.79 : x
  2. Step 2: Convert to fraction form
    1,266,168.64/1,747,479.12 = 722,179.79/x
  3. Step 3: Cross multiply
    1,266,168.64x = 1,747,479.12 × 722,179.79
  4. Step 4: Simplify right side
    1,266,168.64x = 1,261,994,103,910.98
  5. Step 5: Solve for x
    x = 1,261,994,103,910.98/1,266,168.64
  6. Step 6: Final answer
    x = 996,703.02

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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.