Home / 1,180,989.44-1,629,769.92-644,445.44

Finding the Fourth Proportional to 1,180,989.44, 1,629,769.92 and 644,445.44

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Solution

The fourth proportional to 1,180,989.44, 1,629,769.92 and 644,445.44 is: 889,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,989.44 : 1,629,769.92 = 644,445.44 : x
  2. Step 2: Convert to fraction form
    1,180,989.44/1,629,769.92 = 644,445.44/x
  3. Step 3: Cross multiply
    1,180,989.44x = 1,629,769.92 × 644,445.44
  4. Step 4: Simplify right side
    1,180,989.44x = 1,050,297,793,193.16
  5. Step 5: Solve for x
    x = 1,050,297,793,193.16/1,180,989.44
  6. Step 6: Final answer
    x = 889,337.16

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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.