Home / 1,158,884.82-1,599,180.57-642,665.34

Finding the Fourth Proportional to 1,158,884.82, 1,599,180.57 and 642,665.34

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Solution

The fourth proportional to 1,158,884.82, 1,599,180.57 and 642,665.34 is: 886,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,884.82 : 1,599,180.57 = 642,665.34 : x
  2. Step 2: Convert to fraction form
    1,158,884.82/1,599,180.57 = 642,665.34/x
  3. Step 3: Cross multiply
    1,158,884.82x = 1,599,180.57 × 642,665.34
  4. Step 4: Simplify right side
    1,158,884.82x = 1,027,737,924,740.44
  5. Step 5: Solve for x
    x = 1,027,737,924,740.44/1,158,884.82
  6. Step 6: Final answer
    x = 886,833.54

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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.