Home / 1,341,412.20-2,012,118.30-442,992.60

Finding the Fourth Proportional to 1,341,412.20, 2,012,118.30 and 442,992.60

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Solution

The fourth proportional to 1,341,412.20, 2,012,118.30 and 442,992.60 is: 664,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,412.20 : 2,012,118.30 = 442,992.60 : x
  2. Step 2: Convert to fraction form
    1,341,412.20/2,012,118.30 = 442,992.60/x
  3. Step 3: Cross multiply
    1,341,412.20x = 2,012,118.30 × 442,992.60
  4. Step 4: Simplify right side
    1,341,412.20x = 891,353,517,224.58
  5. Step 5: Solve for x
    x = 891,353,517,224.58/1,341,412.20
  6. Step 6: Final answer
    x = 664,488.90

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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.