Home / 862,675.43-1,190,580.66-518,622.73

Finding the Fourth Proportional to 862,675.43, 1,190,580.66 and 518,622.73

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Solution

The fourth proportional to 862,675.43, 1,190,580.66 and 518,622.73 is: 715,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,675.43 : 1,190,580.66 = 518,622.73 : x
  2. Step 2: Convert to fraction form
    862,675.43/1,190,580.66 = 518,622.73/x
  3. Step 3: Cross multiply
    862,675.43x = 1,190,580.66 × 518,622.73
  4. Step 4: Simplify right side
    862,675.43x = 617,462,192,174.40
  5. Step 5: Solve for x
    x = 617,462,192,174.40/862,675.43
  6. Step 6: Final answer
    x = 715,752.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.