Home / 878,814.36-1,318,221.54-833,937.12

Finding the Fourth Proportional to 878,814.36, 1,318,221.54 and 833,937.12

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Solution

The fourth proportional to 878,814.36, 1,318,221.54 and 833,937.12 is: 1,250,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,814.36 : 1,318,221.54 = 833,937.12 : x
  2. Step 2: Convert to fraction form
    878,814.36/1,318,221.54 = 833,937.12/x
  3. Step 3: Cross multiply
    878,814.36x = 1,318,221.54 × 833,937.12
  4. Step 4: Simplify right side
    878,814.36x = 1,099,313,874,589.56
  5. Step 5: Solve for x
    x = 1,099,313,874,589.56/878,814.36
  6. Step 6: Final answer
    x = 1,250,905.68

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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.