Home / 1,542,172.72-2,127,944.44-968,806.84

Finding the Fourth Proportional to 1,542,172.72, 2,127,944.44 and 968,806.84

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Solution

The fourth proportional to 1,542,172.72, 2,127,944.44 and 968,806.84 is: 1,336,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,172.72 : 2,127,944.44 = 968,806.84 : x
  2. Step 2: Convert to fraction form
    1,542,172.72/2,127,944.44 = 968,806.84/x
  3. Step 3: Cross multiply
    1,542,172.72x = 2,127,944.44 × 968,806.84
  4. Step 4: Simplify right side
    1,542,172.72x = 2,061,567,128,611.97
  5. Step 5: Solve for x
    x = 2,061,567,128,611.97/1,542,172.72
  6. Step 6: Final answer
    x = 1,336,793.93

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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.