Home / 1,192,317.08-1,788,096.27-393,449.72

Finding the Fourth Proportional to 1,192,317.08, 1,788,096.27 and 393,449.72

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Solution

The fourth proportional to 1,192,317.08, 1,788,096.27 and 393,449.72 is: 590,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,317.08 : 1,788,096.27 = 393,449.72 : x
  2. Step 2: Convert to fraction form
    1,192,317.08/1,788,096.27 = 393,449.72/x
  3. Step 3: Cross multiply
    1,192,317.08x = 1,788,096.27 × 393,449.72
  4. Step 4: Simplify right side
    1,192,317.08x = 703,525,976,764.54
  5. Step 5: Solve for x
    x = 703,525,976,764.54/1,192,317.08
  6. Step 6: Final answer
    x = 590,049.40

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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.