Home / 1,231,724.80-1,848,201.60-699,654.40

Finding the Fourth Proportional to 1,231,724.80, 1,848,201.60 and 699,654.40

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Solution

The fourth proportional to 1,231,724.80, 1,848,201.60 and 699,654.40 is: 1,049,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,724.80 : 1,848,201.60 = 699,654.40 : x
  2. Step 2: Convert to fraction form
    1,231,724.80/1,848,201.60 = 699,654.40/x
  3. Step 3: Cross multiply
    1,231,724.80x = 1,848,201.60 × 699,654.40
  4. Step 4: Simplify right side
    1,231,724.80x = 1,293,102,381,527.04
  5. Step 5: Solve for x
    x = 1,293,102,381,527.04/1,231,724.80
  6. Step 6: Final answer
    x = 1,049,830.60

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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.