Home / 878,769.83-1,318,145.22-666,839.27

Finding the Fourth Proportional to 878,769.83, 1,318,145.22 and 666,839.27

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Solution

The fourth proportional to 878,769.83, 1,318,145.22 and 666,839.27 is: 1,000,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,769.83 : 1,318,145.22 = 666,839.27 : x
  2. Step 2: Convert to fraction form
    878,769.83/1,318,145.22 = 666,839.27/x
  3. Step 3: Cross multiply
    878,769.83x = 1,318,145.22 × 666,839.27
  4. Step 4: Simplify right side
    878,769.83x = 878,990,999,554.15
  5. Step 5: Solve for x
    x = 878,990,999,554.15/878,769.83
  6. Step 6: Final answer
    x = 1,000,251.69

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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.