Home / 1,443,115.19-1,991,470.77-798,535.82

Finding the Fourth Proportional to 1,443,115.19, 1,991,470.77 and 798,535.82

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Solution

The fourth proportional to 1,443,115.19, 1,991,470.77 and 798,535.82 is: 1,101,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,115.19 : 1,991,470.77 = 798,535.82 : x
  2. Step 2: Convert to fraction form
    1,443,115.19/1,991,470.77 = 798,535.82/x
  3. Step 3: Cross multiply
    1,443,115.19x = 1,991,470.77 × 798,535.82
  4. Step 4: Simplify right side
    1,443,115.19x = 1,590,260,734,370.63
  5. Step 5: Solve for x
    x = 1,590,260,734,370.63/1,443,115.19
  6. Step 6: Final answer
    x = 1,101,963.83

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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.