Home / 3,120,961-4,681,443.42-757,057

Finding the Fourth Proportional to 3,120,961, 4,681,443.42 and 757,057

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Solution

The fourth proportional to 3,120,961, 4,681,443.42 and 757,057 is: 1,135,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,961 : 4,681,443.42 = 757,057 : x
  2. Step 2: Convert to fraction form
    3,120,961/4,681,443.42 = 757,057/x
  3. Step 3: Cross multiply
    3,120,961x = 4,681,443.42 × 757,057
  4. Step 4: Simplify right side
    3,120,961x = 3,544,119,511,214.94
  5. Step 5: Solve for x
    x = 3,544,119,511,214.94/3,120,961
  6. Step 6: Final answer
    x = 1,135,585.97

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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.