Home / 1,300,874.56-1,951,311.84-857,538.88

Finding the Fourth Proportional to 1,300,874.56, 1,951,311.84 and 857,538.88

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Solution

The fourth proportional to 1,300,874.56, 1,951,311.84 and 857,538.88 is: 1,286,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,874.56 : 1,951,311.84 = 857,538.88 : x
  2. Step 2: Convert to fraction form
    1,300,874.56/1,951,311.84 = 857,538.88/x
  3. Step 3: Cross multiply
    1,300,874.56x = 1,951,311.84 × 857,538.88
  4. Step 4: Simplify right side
    1,300,874.56x = 1,673,325,769,804.34
  5. Step 5: Solve for x
    x = 1,673,325,769,804.34/1,300,874.56
  6. Step 6: Final answer
    x = 1,286,308.32

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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.