Home / 1,394,321.54-2,092,072.79-762,497.24

Finding the Fourth Proportional to 1,394,321.54, 2,092,072.79 and 762,497.24

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Solution

The fourth proportional to 1,394,321.54, 2,092,072.79 and 762,497.24 is: 1,144,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,321.54 : 2,092,072.79 = 762,497.24 : x
  2. Step 2: Convert to fraction form
    1,394,321.54/2,092,072.79 = 762,497.24/x
  3. Step 3: Cross multiply
    1,394,321.54x = 2,092,072.79 × 762,497.24
  4. Step 4: Simplify right side
    1,394,321.54x = 1,595,199,719,699.98
  5. Step 5: Solve for x
    x = 1,595,199,719,699.98/1,394,321.54
  6. Step 6: Final answer
    x = 1,144,068.77

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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.