Home / 1,079,953.62-1,619,908.56-281,217.48

Finding the Fourth Proportional to 1,079,953.62, 1,619,908.56 and 281,217.48

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Solution

The fourth proportional to 1,079,953.62, 1,619,908.56 and 281,217.48 is: 421,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,953.62 : 1,619,908.56 = 281,217.48 : x
  2. Step 2: Convert to fraction form
    1,079,953.62/1,619,908.56 = 281,217.48/x
  3. Step 3: Cross multiply
    1,079,953.62x = 1,619,908.56 × 281,217.48
  4. Step 4: Simplify right side
    1,079,953.62x = 455,546,603,073.63
  5. Step 5: Solve for x
    x = 455,546,603,073.63/1,079,953.62
  6. Step 6: Final answer
    x = 421,820.53

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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.