Home / 1,004,022.20-1,505,022.42-442,957.88

Finding the Fourth Proportional to 1,004,022.20, 1,505,022.42 and 442,957.88

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Solution

The fourth proportional to 1,004,022.20, 1,505,022.42 and 442,957.88 is: 663,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,022.20 : 1,505,022.42 = 442,957.88 : x
  2. Step 2: Convert to fraction form
    1,004,022.20/1,505,022.42 = 442,957.88/x
  3. Step 3: Cross multiply
    1,004,022.20x = 1,505,022.42 × 442,957.88
  4. Step 4: Simplify right side
    1,004,022.20x = 666,661,540,515.67
  5. Step 5: Solve for x
    x = 666,661,540,515.67/1,004,022.20
  6. Step 6: Final answer
    x = 663,990.84

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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.