Home / 1,226,137.76-1,839,379.08-427,304.60

Finding the Fourth Proportional to 1,226,137.76, 1,839,379.08 and 427,304.60

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Solution

The fourth proportional to 1,226,137.76, 1,839,379.08 and 427,304.60 is: 641,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,137.76 : 1,839,379.08 = 427,304.60 : x
  2. Step 2: Convert to fraction form
    1,226,137.76/1,839,379.08 = 427,304.60/x
  3. Step 3: Cross multiply
    1,226,137.76x = 1,839,379.08 × 427,304.60
  4. Step 4: Simplify right side
    1,226,137.76x = 785,975,142,027.77
  5. Step 5: Solve for x
    x = 785,975,142,027.77/1,226,137.76
  6. Step 6: Final answer
    x = 641,016.99

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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.