Home / 1,241,618.20-1,861,989.90-442,925.80

Finding the Fourth Proportional to 1,241,618.20, 1,861,989.90 and 442,925.80

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Solution

The fourth proportional to 1,241,618.20, 1,861,989.90 and 442,925.80 is: 664,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,618.20 : 1,861,989.90 = 442,925.80 : x
  2. Step 2: Convert to fraction form
    1,241,618.20/1,861,989.90 = 442,925.80/x
  3. Step 3: Cross multiply
    1,241,618.20x = 1,861,989.90 × 442,925.80
  4. Step 4: Simplify right side
    1,241,618.20x = 824,723,366,049.42
  5. Step 5: Solve for x
    x = 824,723,366,049.42/1,241,618.20
  6. Step 6: Final answer
    x = 664,232.67

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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.