Home / 1,079,768.22-1,616,255.46-740,826.96

Finding the Fourth Proportional to 1,079,768.22, 1,616,255.46 and 740,826.96

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Solution

The fourth proportional to 1,079,768.22, 1,616,255.46 and 740,826.96 is: 1,108,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,768.22 : 1,616,255.46 = 740,826.96 : x
  2. Step 2: Convert to fraction form
    1,079,768.22/1,616,255.46 = 740,826.96/x
  3. Step 3: Cross multiply
    1,079,768.22x = 1,616,255.46 × 740,826.96
  4. Step 4: Simplify right side
    1,079,768.22x = 1,197,365,619,015.20
  5. Step 5: Solve for x
    x = 1,197,365,619,015.20/1,079,768.22
  6. Step 6: Final answer
    x = 1,108,909.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.