Home / 1,146,968.66-1,719,378.30-388,279.46

Finding the Fourth Proportional to 1,146,968.66, 1,719,378.30 and 388,279.46

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Solution

The fourth proportional to 1,146,968.66, 1,719,378.30 and 388,279.46 is: 582,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,968.66 : 1,719,378.30 = 388,279.46 : x
  2. Step 2: Convert to fraction form
    1,146,968.66/1,719,378.30 = 388,279.46/x
  3. Step 3: Cross multiply
    1,146,968.66x = 1,719,378.30 × 388,279.46
  4. Step 4: Simplify right side
    1,146,968.66x = 667,599,277,859.72
  5. Step 5: Solve for x
    x = 667,599,277,859.72/1,146,968.66
  6. Step 6: Final answer
    x = 582,055.38

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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.