Home / 1,790,342.88-2,685,487.74-442,505.41

Finding the Fourth Proportional to 1,790,342.88, 2,685,487.74 and 442,505.41

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Solution

The fourth proportional to 1,790,342.88, 2,685,487.74 and 442,505.41 is: 663,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,342.88 : 2,685,487.74 = 442,505.41 : x
  2. Step 2: Convert to fraction form
    1,790,342.88/2,685,487.74 = 442,505.41/x
  3. Step 3: Cross multiply
    1,790,342.88x = 2,685,487.74 × 442,505.41
  4. Step 4: Simplify right side
    1,790,342.88x = 1,188,342,861,258.66
  5. Step 5: Solve for x
    x = 1,188,342,861,258.66/1,790,342.88
  6. Step 6: Final answer
    x = 663,751.55

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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.