Home / 1,442,941.35-1,991,232.81-798,361.56

Finding the Fourth Proportional to 1,442,941.35, 1,991,232.81 and 798,361.56

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Solution

The fourth proportional to 1,442,941.35, 1,991,232.81 and 798,361.56 is: 1,101,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,941.35 : 1,991,232.81 = 798,361.56 : x
  2. Step 2: Convert to fraction form
    1,442,941.35/1,991,232.81 = 798,361.56/x
  3. Step 3: Cross multiply
    1,442,941.35x = 1,991,232.81 × 798,361.56
  4. Step 4: Simplify right side
    1,442,941.35x = 1,589,723,732,514.78
  5. Step 5: Solve for x
    x = 1,589,723,732,514.78/1,442,941.35
  6. Step 6: Final answer
    x = 1,101,724.43

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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.