Home / 1,071,133.05-1,478,163.49-612,257.43

Finding the Fourth Proportional to 1,071,133.05, 1,478,163.49 and 612,257.43

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Solution

The fourth proportional to 1,071,133.05, 1,478,163.49 and 612,257.43 is: 844,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,133.05 : 1,478,163.49 = 612,257.43 : x
  2. Step 2: Convert to fraction form
    1,071,133.05/1,478,163.49 = 612,257.43/x
  3. Step 3: Cross multiply
    1,071,133.05x = 1,478,163.49 × 612,257.43
  4. Step 4: Simplify right side
    1,071,133.05x = 905,016,577,976.59
  5. Step 5: Solve for x
    x = 905,016,577,976.59/1,071,133.05
  6. Step 6: Final answer
    x = 844,915.18

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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.