Home / 1,241,504.20-1,861,818.90-442,811.80

Finding the Fourth Proportional to 1,241,504.20, 1,861,818.90 and 442,811.80

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Solution

The fourth proportional to 1,241,504.20, 1,861,818.90 and 442,811.80 is: 664,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,504.20 : 1,861,818.90 = 442,811.80 : x
  2. Step 2: Convert to fraction form
    1,241,504.20/1,861,818.90 = 442,811.80/x
  3. Step 3: Cross multiply
    1,241,504.20x = 1,861,818.90 × 442,811.80
  4. Step 4: Simplify right side
    1,241,504.20x = 824,435,378,383.02
  5. Step 5: Solve for x
    x = 824,435,378,383.02/1,241,504.20
  6. Step 6: Final answer
    x = 664,061.69

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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.