Home / 1,190,879.12-1,794,262.06-1,077,158.48

Finding the Fourth Proportional to 1,190,879.12, 1,794,262.06 and 1,077,158.48

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Solution

The fourth proportional to 1,190,879.12, 1,794,262.06 and 1,077,158.48 is: 1,622,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,879.12 : 1,794,262.06 = 1,077,158.48 : x
  2. Step 2: Convert to fraction form
    1,190,879.12/1,794,262.06 = 1,077,158.48/x
  3. Step 3: Cross multiply
    1,190,879.12x = 1,794,262.06 × 1,077,158.48
  4. Step 4: Simplify right side
    1,190,879.12x = 1,932,704,593,271.27
  5. Step 5: Solve for x
    x = 1,932,704,593,271.27/1,190,879.12
  6. Step 6: Final answer
    x = 1,622,922.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.