Home / 1,100,729.32-1,651,487.27-669,324.49

Finding the Fourth Proportional to 1,100,729.32, 1,651,487.27 and 669,324.49

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Solution

The fourth proportional to 1,100,729.32, 1,651,487.27 and 669,324.49 is: 1,004,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,729.32 : 1,651,487.27 = 669,324.49 : x
  2. Step 2: Convert to fraction form
    1,100,729.32/1,651,487.27 = 669,324.49/x
  3. Step 3: Cross multiply
    1,100,729.32x = 1,651,487.27 × 669,324.49
  4. Step 4: Simplify right side
    1,100,729.32x = 1,105,380,875,961.95
  5. Step 5: Solve for x
    x = 1,105,380,875,961.95/1,100,729.32
  6. Step 6: Final answer
    x = 1,004,225.89

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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.