Home / 1,341,228.20-2,011,842.30-442,808.60

Finding the Fourth Proportional to 1,341,228.20, 2,011,842.30 and 442,808.60

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Solution

The fourth proportional to 1,341,228.20, 2,011,842.30 and 442,808.60 is: 664,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,228.20 : 2,011,842.30 = 442,808.60 : x
  2. Step 2: Convert to fraction form
    1,341,228.20/2,011,842.30 = 442,808.60/x
  3. Step 3: Cross multiply
    1,341,228.20x = 2,011,842.30 × 442,808.60
  4. Step 4: Simplify right side
    1,341,228.20x = 890,861,072,283.78
  5. Step 5: Solve for x
    x = 890,861,072,283.78/1,341,228.20
  6. Step 6: Final answer
    x = 664,212.90

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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.