Home / 1,942,921.80-2,914,388.18-745,211.25

Finding the Fourth Proportional to 1,942,921.80, 2,914,388.18 and 745,211.25

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Solution

The fourth proportional to 1,942,921.80, 2,914,388.18 and 745,211.25 is: 1,117,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,921.80 : 2,914,388.18 = 745,211.25 : x
  2. Step 2: Convert to fraction form
    1,942,921.80/2,914,388.18 = 745,211.25/x
  3. Step 3: Cross multiply
    1,942,921.80x = 2,914,388.18 × 745,211.25
  4. Step 4: Simplify right side
    1,942,921.80x = 2,171,834,854,876.97
  5. Step 5: Solve for x
    x = 2,171,834,854,876.97/1,942,921.80
  6. Step 6: Final answer
    x = 1,117,818.97

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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.