Home / 1,146,894.12-1,719,676.96-388,481.40

Finding the Fourth Proportional to 1,146,894.12, 1,719,676.96 and 388,481.40

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Solution

The fourth proportional to 1,146,894.12, 1,719,676.96 and 388,481.40 is: 582,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,894.12 : 1,719,676.96 = 388,481.40 : x
  2. Step 2: Convert to fraction form
    1,146,894.12/1,719,676.96 = 388,481.40/x
  3. Step 3: Cross multiply
    1,146,894.12x = 1,719,676.96 × 388,481.40
  4. Step 4: Simplify right side
    1,146,894.12x = 668,062,512,968.54
  5. Step 5: Solve for x
    x = 668,062,512,968.54/1,146,894.12
  6. Step 6: Final answer
    x = 582,497.11

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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.