Home / 1,030,163.82-1,421,146.39-667,705.02

Finding the Fourth Proportional to 1,030,163.82, 1,421,146.39 and 667,705.02

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Solution

The fourth proportional to 1,030,163.82, 1,421,146.39 and 667,705.02 is: 921,122.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,163.82 : 1,421,146.39 = 667,705.02 : x
  2. Step 2: Convert to fraction form
    1,030,163.82/1,421,146.39 = 667,705.02/x
  3. Step 3: Cross multiply
    1,030,163.82x = 1,421,146.39 × 667,705.02
  4. Step 4: Simplify right side
    1,030,163.82x = 948,906,578,757.88
  5. Step 5: Solve for x
    x = 948,906,578,757.88/1,030,163.82
  6. Step 6: Final answer
    x = 921,122.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.