Home / 1,290,777.14-1,936,091.79-492,139.41

Finding the Fourth Proportional to 1,290,777.14, 1,936,091.79 and 492,139.41

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Solution

The fourth proportional to 1,290,777.14, 1,936,091.79 and 492,139.41 is: 738,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,777.14 : 1,936,091.79 = 492,139.41 : x
  2. Step 2: Convert to fraction form
    1,290,777.14/1,936,091.79 = 492,139.41/x
  3. Step 3: Cross multiply
    1,290,777.14x = 1,936,091.79 × 492,139.41
  4. Step 4: Simplify right side
    1,290,777.14x = 952,827,071,236.44
  5. Step 5: Solve for x
    x = 952,827,071,236.44/1,290,777.14
  6. Step 6: Final answer
    x = 738,180.93

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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.