Home / 1,443,608.28-1,992,226.44-831,713.02

Finding the Fourth Proportional to 1,443,608.28, 1,992,226.44 and 831,713.02

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Solution

The fourth proportional to 1,443,608.28, 1,992,226.44 and 831,713.02 is: 1,147,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,608.28 : 1,992,226.44 = 831,713.02 : x
  2. Step 2: Convert to fraction form
    1,443,608.28/1,992,226.44 = 831,713.02/x
  3. Step 3: Cross multiply
    1,443,608.28x = 1,992,226.44 × 831,713.02
  4. Step 4: Simplify right side
    1,443,608.28x = 1,656,960,668,936.25
  5. Step 5: Solve for x
    x = 1,656,960,668,936.25/1,443,608.28
  6. Step 6: Final answer
    x = 1,147,791.05

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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.