Home / 1,462,120.80-2,193,181.20-620,563.20

Finding the Fourth Proportional to 1,462,120.80, 2,193,181.20 and 620,563.20

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Solution

The fourth proportional to 1,462,120.80, 2,193,181.20 and 620,563.20 is: 930,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,120.80 : 2,193,181.20 = 620,563.20 : x
  2. Step 2: Convert to fraction form
    1,462,120.80/2,193,181.20 = 620,563.20/x
  3. Step 3: Cross multiply
    1,462,120.80x = 2,193,181.20 × 620,563.20
  4. Step 4: Simplify right side
    1,462,120.80x = 1,361,007,543,651.84
  5. Step 5: Solve for x
    x = 1,361,007,543,651.84/1,462,120.80
  6. Step 6: Final answer
    x = 930,844.80

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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.