Home / 1,443,612.28-1,992,231.96-831,717.02

Finding the Fourth Proportional to 1,443,612.28, 1,992,231.96 and 831,717.02

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Solution

The fourth proportional to 1,443,612.28, 1,992,231.96 and 831,717.02 is: 1,147,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,612.28 : 1,992,231.96 = 831,717.02 : x
  2. Step 2: Convert to fraction form
    1,443,612.28/1,992,231.96 = 831,717.02/x
  3. Step 3: Cross multiply
    1,443,612.28x = 1,992,231.96 × 831,717.02
  4. Step 4: Simplify right side
    1,443,612.28x = 1,656,973,228,919.96
  5. Step 5: Solve for x
    x = 1,656,973,228,919.96/1,443,612.28
  6. Step 6: Final answer
    x = 1,147,796.57

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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.