Home / 1,341,236.20-2,011,854.30-442,816.60

Finding the Fourth Proportional to 1,341,236.20, 2,011,854.30 and 442,816.60

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Solution

The fourth proportional to 1,341,236.20, 2,011,854.30 and 442,816.60 is: 664,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,236.20 : 2,011,854.30 = 442,816.60 : x
  2. Step 2: Convert to fraction form
    1,341,236.20/2,011,854.30 = 442,816.60/x
  3. Step 3: Cross multiply
    1,341,236.20x = 2,011,854.30 × 442,816.60
  4. Step 4: Simplify right side
    1,341,236.20x = 890,882,480,821.38
  5. Step 5: Solve for x
    x = 890,882,480,821.38/1,341,236.20
  6. Step 6: Final answer
    x = 664,224.90

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1.5x scale

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.