Home / 1,520,889.44-2,099,071.85-867,728.52

Finding the Fourth Proportional to 1,520,889.44, 2,099,071.85 and 867,728.52

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Solution

The fourth proportional to 1,520,889.44, 2,099,071.85 and 867,728.52 is: 1,197,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,889.44 : 2,099,071.85 = 867,728.52 : x
  2. Step 2: Convert to fraction form
    1,520,889.44/2,099,071.85 = 867,728.52/x
  3. Step 3: Cross multiply
    1,520,889.44x = 2,099,071.85 × 867,728.52
  4. Step 4: Simplify right side
    1,520,889.44x = 1,821,424,505,435.52
  5. Step 5: Solve for x
    x = 1,821,424,505,435.52/1,520,889.44
  6. Step 6: Final answer
    x = 1,197,604.81

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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.