Home / 1,542,047.79-2,128,991.94-990,986.97

Finding the Fourth Proportional to 1,542,047.79, 2,128,991.94 and 990,986.97

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Solution

The fourth proportional to 1,542,047.79, 2,128,991.94 and 990,986.97 is: 1,368,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,047.79 : 2,128,991.94 = 990,986.97 : x
  2. Step 2: Convert to fraction form
    1,542,047.79/2,128,991.94 = 990,986.97/x
  3. Step 3: Cross multiply
    1,542,047.79x = 2,128,991.94 × 990,986.97
  4. Step 4: Simplify right side
    1,542,047.79x = 2,109,803,271,775.02
  5. Step 5: Solve for x
    x = 2,109,803,271,775.02/1,542,047.79
  6. Step 6: Final answer
    x = 1,368,182.81

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