Home / 746,670.14-1,120,009.26-185,704.64

Finding the Fourth Proportional to 746,670.14, 1,120,009.26 and 185,704.64

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Solution

The fourth proportional to 746,670.14, 1,120,009.26 and 185,704.64 is: 278,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,670.14 : 1,120,009.26 = 185,704.64 : x
  2. Step 2: Convert to fraction form
    746,670.14/1,120,009.26 = 185,704.64/x
  3. Step 3: Cross multiply
    746,670.14x = 1,120,009.26 × 185,704.64
  4. Step 4: Simplify right side
    746,670.14x = 207,990,916,424.97
  5. Step 5: Solve for x
    x = 207,990,916,424.97/746,670.14
  6. Step 6: Final answer
    x = 278,557.97

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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.