Home / 1,128,221.96-1,692,311.10-275,299.16

Finding the Fourth Proportional to 1,128,221.96, 1,692,311.10 and 275,299.16

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Solution

The fourth proportional to 1,128,221.96, 1,692,311.10 and 275,299.16 is: 412,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,221.96 : 1,692,311.10 = 275,299.16 : x
  2. Step 2: Convert to fraction form
    1,128,221.96/1,692,311.10 = 275,299.16/x
  3. Step 3: Cross multiply
    1,128,221.96x = 1,692,311.10 × 275,299.16
  4. Step 4: Simplify right side
    1,128,221.96x = 465,891,824,288.68
  5. Step 5: Solve for x
    x = 465,891,824,288.68/1,128,221.96
  6. Step 6: Final answer
    x = 412,943.41

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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.