Home / 1,384,393.44-1,910,463.03-764,198.79

Finding the Fourth Proportional to 1,384,393.44, 1,910,463.03 and 764,198.79

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Solution

The fourth proportional to 1,384,393.44, 1,910,463.03 and 764,198.79 is: 1,054,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,393.44 : 1,910,463.03 = 764,198.79 : x
  2. Step 2: Convert to fraction form
    1,384,393.44/1,910,463.03 = 764,198.79/x
  3. Step 3: Cross multiply
    1,384,393.44x = 1,910,463.03 × 764,198.79
  4. Step 4: Simplify right side
    1,384,393.44x = 1,459,973,535,865.73
  5. Step 5: Solve for x
    x = 1,459,973,535,865.73/1,384,393.44
  6. Step 6: Final answer
    x = 1,054,594.38

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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.