Home / 1,379,408.58-1,902,958.59-996,829.38

Finding the Fourth Proportional to 1,379,408.58, 1,902,958.59 and 996,829.38

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Solution

The fourth proportional to 1,379,408.58, 1,902,958.59 and 996,829.38 is: 1,375,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,408.58 : 1,902,958.59 = 996,829.38 : x
  2. Step 2: Convert to fraction form
    1,379,408.58/1,902,958.59 = 996,829.38/x
  3. Step 3: Cross multiply
    1,379,408.58x = 1,902,958.59 × 996,829.38
  4. Step 4: Simplify right side
    1,379,408.58x = 1,896,925,031,435.37
  5. Step 5: Solve for x
    x = 1,896,925,031,435.37/1,379,408.58
  6. Step 6: Final answer
    x = 1,375,172.71

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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.