Home / 1,279,950.96-1,766,314.41-699,167.16

Finding the Fourth Proportional to 1,279,950.96, 1,766,314.41 and 699,167.16

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Solution

The fourth proportional to 1,279,950.96, 1,766,314.41 and 699,167.16 is: 964,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,950.96 : 1,766,314.41 = 699,167.16 : x
  2. Step 2: Convert to fraction form
    1,279,950.96/1,766,314.41 = 699,167.16/x
  3. Step 3: Cross multiply
    1,279,950.96x = 1,766,314.41 × 699,167.16
  4. Step 4: Simplify right side
    1,279,950.96x = 1,234,949,029,706.78
  5. Step 5: Solve for x
    x = 1,234,949,029,706.78/1,279,950.96
  6. Step 6: Final answer
    x = 964,840.89

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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.