Home / 1,015,101.52-1,522,653.42-305,129.56

Finding the Fourth Proportional to 1,015,101.52, 1,522,653.42 and 305,129.56

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Solution

The fourth proportional to 1,015,101.52, 1,522,653.42 and 305,129.56 is: 457,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,101.52 : 1,522,653.42 = 305,129.56 : x
  2. Step 2: Convert to fraction form
    1,015,101.52/1,522,653.42 = 305,129.56/x
  3. Step 3: Cross multiply
    1,015,101.52x = 1,522,653.42 × 305,129.56
  4. Step 4: Simplify right side
    1,015,101.52x = 464,606,568,077.10
  5. Step 5: Solve for x
    x = 464,606,568,077.10/1,015,101.52
  6. Step 6: Final answer
    x = 457,694.68

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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.