Home / 1,180,391.24-1,628,892.76-697,112.12

Finding the Fourth Proportional to 1,180,391.24, 1,628,892.76 and 697,112.12

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Solution

The fourth proportional to 1,180,391.24, 1,628,892.76 and 697,112.12 is: 961,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,391.24 : 1,628,892.76 = 697,112.12 : x
  2. Step 2: Convert to fraction form
    1,180,391.24/1,628,892.76 = 697,112.12/x
  3. Step 3: Cross multiply
    1,180,391.24x = 1,628,892.76 × 697,112.12
  4. Step 4: Simplify right side
    1,180,391.24x = 1,135,520,885,176.25
  5. Step 5: Solve for x
    x = 1,135,520,885,176.25/1,180,391.24
  6. Step 6: Final answer
    x = 961,986.88

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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.