Home / 1,079,951.37-1,619,905.19-281,215.23

Finding the Fourth Proportional to 1,079,951.37, 1,619,905.19 and 281,215.23

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Solution

The fourth proportional to 1,079,951.37, 1,619,905.19 and 281,215.23 is: 421,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,951.37 : 1,619,905.19 = 281,215.23 : x
  2. Step 2: Convert to fraction form
    1,079,951.37/1,619,905.19 = 281,215.23/x
  3. Step 3: Cross multiply
    1,079,951.37x = 1,619,905.19 × 281,215.23
  4. Step 4: Simplify right side
    1,079,951.37x = 455,542,009,177.97
  5. Step 5: Solve for x
    x = 455,542,009,177.97/1,079,951.37
  6. Step 6: Final answer
    x = 421,817.15

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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.