Home / 3,132,769.82-4,699,158.35-858,313.96

Finding the Fourth Proportional to 3,132,769.82, 4,699,158.35 and 858,313.96

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Solution

The fourth proportional to 3,132,769.82, 4,699,158.35 and 858,313.96 is: 1,287,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,769.82 : 4,699,158.35 = 858,313.96 : x
  2. Step 2: Convert to fraction form
    3,132,769.82/4,699,158.35 = 858,313.96/x
  3. Step 3: Cross multiply
    3,132,769.82x = 4,699,158.35 × 858,313.96
  4. Step 4: Simplify right side
    3,132,769.82x = 4,033,353,196,016.10
  5. Step 5: Solve for x
    x = 4,033,353,196,016.10/3,132,769.82
  6. Step 6: Final answer
    x = 1,287,471.93

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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.