Home / 1,100,979.90-1,651,469.85-961,011.90

Finding the Fourth Proportional to 1,100,979.90, 1,651,469.85 and 961,011.90

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Solution

The fourth proportional to 1,100,979.90, 1,651,469.85 and 961,011.90 is: 1,441,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,979.90 : 1,651,469.85 = 961,011.90 : x
  2. Step 2: Convert to fraction form
    1,100,979.90/1,651,469.85 = 961,011.90/x
  3. Step 3: Cross multiply
    1,100,979.90x = 1,651,469.85 × 961,011.90
  4. Step 4: Simplify right side
    1,100,979.90x = 1,587,082,178,341.22
  5. Step 5: Solve for x
    x = 1,587,082,178,341.22/1,100,979.90
  6. Step 6: Final answer
    x = 1,441,517.85

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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.