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Finding the Fourth Proportional to 1,007,748, 1,511,709.48 and 259,794

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Solution

The fourth proportional to 1,007,748, 1,511,709.48 and 259,794 is: 389,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,748 : 1,511,709.48 = 259,794 : x
  2. Step 2: Convert to fraction form
    1,007,748/1,511,709.48 = 259,794/x
  3. Step 3: Cross multiply
    1,007,748x = 1,511,709.48 × 259,794
  4. Step 4: Simplify right side
    1,007,748x = 392,733,052,647.12
  5. Step 5: Solve for x
    x = 392,733,052,647.12/1,007,748
  6. Step 6: Final answer
    x = 389,713.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.