Home / 1,442,879.43-1,991,232.23-798,289.13

Finding the Fourth Proportional to 1,442,879.43, 1,991,232.23 and 798,289.13

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Solution

The fourth proportional to 1,442,879.43, 1,991,232.23 and 798,289.13 is: 1,101,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,879.43 : 1,991,232.23 = 798,289.13 : x
  2. Step 2: Convert to fraction form
    1,442,879.43/1,991,232.23 = 798,289.13/x
  3. Step 3: Cross multiply
    1,442,879.43x = 1,991,232.23 × 798,289.13
  4. Step 4: Simplify right side
    1,442,879.43x = 1,589,579,030,567.05
  5. Step 5: Solve for x
    x = 1,589,579,030,567.05/1,442,879.43
  6. Step 6: Final answer
    x = 1,101,671.42

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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.