Home / 1,336,346.82-2,004,815.07-389,791.62

Finding the Fourth Proportional to 1,336,346.82, 2,004,815.07 and 389,791.62

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Solution

The fourth proportional to 1,336,346.82, 2,004,815.07 and 389,791.62 is: 584,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,346.82 : 2,004,815.07 = 389,791.62 : x
  2. Step 2: Convert to fraction form
    1,336,346.82/2,004,815.07 = 389,791.62/x
  3. Step 3: Cross multiply
    1,336,346.82x = 2,004,815.07 × 389,791.62
  4. Step 4: Simplify right side
    1,336,346.82x = 781,460,113,935.71
  5. Step 5: Solve for x
    x = 781,460,113,935.71/1,336,346.82
  6. Step 6: Final answer
    x = 584,773.43

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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.