Home / 1,384,394.44-1,910,464.41-764,199.79

Finding the Fourth Proportional to 1,384,394.44, 1,910,464.41 and 764,199.79

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Solution

The fourth proportional to 1,384,394.44, 1,910,464.41 and 764,199.79 is: 1,054,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,394.44 : 1,910,464.41 = 764,199.79 : x
  2. Step 2: Convert to fraction form
    1,384,394.44/1,910,464.41 = 764,199.79/x
  3. Step 3: Cross multiply
    1,384,394.44x = 1,910,464.41 × 764,199.79
  4. Step 4: Simplify right side
    1,384,394.44x = 1,459,976,500,924.47
  5. Step 5: Solve for x
    x = 1,459,976,500,924.47/1,384,394.44
  6. Step 6: Final answer
    x = 1,054,595.76

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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.