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Finding the Fourth Proportional to 1,362.62, 2,044.14 and 704.30

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Solution

The fourth proportional to 1,362.62, 2,044.14 and 704.30 is: 1,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.62 : 2,044.14 = 704.30 : x
  2. Step 2: Convert to fraction form
    1,362.62/2,044.14 = 704.30/x
  3. Step 3: Cross multiply
    1,362.62x = 2,044.14 × 704.30
  4. Step 4: Simplify right side
    1,362.62x = 1,439,674.94
  5. Step 5: Solve for x
    x = 1,439,674.94/1,362.62
  6. Step 6: Final answer
    x = 1,056.55

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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.