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Finding the Fourth Proportional to 1,433,375.44, 1,978,058.52 and 788,795.64

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Solution

The fourth proportional to 1,433,375.44, 1,978,058.52 and 788,795.64 is: 1,088,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,375.44 : 1,978,058.52 = 788,795.64 : x
  2. Step 2: Convert to fraction form
    1,433,375.44/1,978,058.52 = 788,795.64/x
  3. Step 3: Cross multiply
    1,433,375.44x = 1,978,058.52 × 788,795.64
  4. Step 4: Simplify right side
    1,433,375.44x = 1,560,283,928,732.09
  5. Step 5: Solve for x
    x = 1,560,283,928,732.09/1,433,375.44
  6. Step 6: Final answer
    x = 1,088,538.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.