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Finding the Fourth Proportional to 1,310,351.62, 1,965,538.43 and 363,796.15

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Solution

The fourth proportional to 1,310,351.62, 1,965,538.43 and 363,796.15 is: 545,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,351.62 : 1,965,538.43 = 363,796.15 : x
  2. Step 2: Convert to fraction form
    1,310,351.62/1,965,538.43 = 363,796.15/x
  3. Step 3: Cross multiply
    1,310,351.62x = 1,965,538.43 × 363,796.15
  4. Step 4: Simplify right side
    1,310,351.62x = 715,055,313,511.05
  5. Step 5: Solve for x
    x = 715,055,313,511.05/1,310,351.62
  6. Step 6: Final answer
    x = 545,697.28

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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.