Home / 919,099.98-1,378,467.42-873,529.38

Finding the Fourth Proportional to 919,099.98, 1,378,467.42 and 873,529.38

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Solution

The fourth proportional to 919,099.98, 1,378,467.42 and 873,529.38 is: 1,310,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,099.98 : 1,378,467.42 = 873,529.38 : x
  2. Step 2: Convert to fraction form
    919,099.98/1,378,467.42 = 873,529.38/x
  3. Step 3: Cross multiply
    919,099.98x = 1,378,467.42 × 873,529.38
  4. Step 4: Simplify right side
    919,099.98x = 1,204,131,790,742.80
  5. Step 5: Solve for x
    x = 1,204,131,790,742.80/919,099.98
  6. Step 6: Final answer
    x = 1,310,120.57

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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.