Home / 1,379,369.72-2,067,712.70-659,524.36

Finding the Fourth Proportional to 1,379,369.72, 2,067,712.70 and 659,524.36

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Solution

The fourth proportional to 1,379,369.72, 2,067,712.70 and 659,524.36 is: 988,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,369.72 : 2,067,712.70 = 659,524.36 : x
  2. Step 2: Convert to fraction form
    1,379,369.72/2,067,712.70 = 659,524.36/x
  3. Step 3: Cross multiply
    1,379,369.72x = 2,067,712.70 × 659,524.36
  4. Step 4: Simplify right side
    1,379,369.72x = 1,363,706,895,131.37
  5. Step 5: Solve for x
    x = 1,363,706,895,131.37/1,379,369.72
  6. Step 6: Final answer
    x = 988,644.94

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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.