Home / 1,344,410.70-2,016,616.05-1,279,092.30

Finding the Fourth Proportional to 1,344,410.70, 2,016,616.05 and 1,279,092.30

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Solution

The fourth proportional to 1,344,410.70, 2,016,616.05 and 1,279,092.30 is: 1,918,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,410.70 : 2,016,616.05 = 1,279,092.30 : x
  2. Step 2: Convert to fraction form
    1,344,410.70/2,016,616.05 = 1,279,092.30/x
  3. Step 3: Cross multiply
    1,344,410.70x = 2,016,616.05 × 1,279,092.30
  4. Step 4: Simplify right side
    1,344,410.70x = 2,579,438,061,611.42
  5. Step 5: Solve for x
    x = 2,579,438,061,611.42/1,344,410.70
  6. Step 6: Final answer
    x = 1,918,638.45

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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.