Home / 1,107,826.44-1,662,019.86-309,107.64

Finding the Fourth Proportional to 1,107,826.44, 1,662,019.86 and 309,107.64

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Solution

The fourth proportional to 1,107,826.44, 1,662,019.86 and 309,107.64 is: 463,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,826.44 : 1,662,019.86 = 309,107.64 : x
  2. Step 2: Convert to fraction form
    1,107,826.44/1,662,019.86 = 309,107.64/x
  3. Step 3: Cross multiply
    1,107,826.44x = 1,662,019.86 × 309,107.64
  4. Step 4: Simplify right side
    1,107,826.44x = 513,743,036,557.73
  5. Step 5: Solve for x
    x = 513,743,036,557.73/1,107,826.44
  6. Step 6: Final answer
    x = 463,739.64

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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.