Home / 1,226,159.62-1,839,249.75-427,439.68

Finding the Fourth Proportional to 1,226,159.62, 1,839,249.75 and 427,439.68

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Solution

The fourth proportional to 1,226,159.62, 1,839,249.75 and 427,439.68 is: 641,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,159.62 : 1,839,249.75 = 427,439.68 : x
  2. Step 2: Convert to fraction form
    1,226,159.62/1,839,249.75 = 427,439.68/x
  3. Step 3: Cross multiply
    1,226,159.62x = 1,839,249.75 × 427,439.68
  4. Step 4: Simplify right side
    1,226,159.62x = 786,168,324,580.08
  5. Step 5: Solve for x
    x = 786,168,324,580.08/1,226,159.62
  6. Step 6: Final answer
    x = 641,163.12

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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.