Home / 1,241,520.20-1,861,842.90-442,827.80

Finding the Fourth Proportional to 1,241,520.20, 1,861,842.90 and 442,827.80

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Solution

The fourth proportional to 1,241,520.20, 1,861,842.90 and 442,827.80 is: 664,085.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,520.20 : 1,861,842.90 = 442,827.80 : x
  2. Step 2: Convert to fraction form
    1,241,520.20/1,861,842.90 = 442,827.80/x
  3. Step 3: Cross multiply
    1,241,520.20x = 1,861,842.90 × 442,827.80
  4. Step 4: Simplify right side
    1,241,520.20x = 824,475,795,352.62
  5. Step 5: Solve for x
    x = 824,475,795,352.62/1,241,520.20
  6. Step 6: Final answer
    x = 664,085.69

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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.