Home / 1,343,394.70-2,012,467.65-809,329.30

Finding the Fourth Proportional to 1,343,394.70, 2,012,467.65 and 809,329.30

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Solution

The fourth proportional to 1,343,394.70, 2,012,467.65 and 809,329.30 is: 1,212,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,394.70 : 2,012,467.65 = 809,329.30 : x
  2. Step 2: Convert to fraction form
    1,343,394.70/2,012,467.65 = 809,329.30/x
  3. Step 3: Cross multiply
    1,343,394.70x = 2,012,467.65 × 809,329.30
  4. Step 4: Simplify right side
    1,343,394.70x = 1,628,749,034,447.15
  5. Step 5: Solve for x
    x = 1,628,749,034,447.15/1,343,394.70
  6. Step 6: Final answer
    x = 1,212,412.88

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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.