Home / 1,361,559.20-2,042,415.60-414,960.80

Finding the Fourth Proportional to 1,361,559.20, 2,042,415.60 and 414,960.80

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Solution

The fourth proportional to 1,361,559.20, 2,042,415.60 and 414,960.80 is: 622,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,559.20 : 2,042,415.60 = 414,960.80 : x
  2. Step 2: Convert to fraction form
    1,361,559.20/2,042,415.60 = 414,960.80/x
  3. Step 3: Cross multiply
    1,361,559.20x = 2,042,415.60 × 414,960.80
  4. Step 4: Simplify right side
    1,361,559.20x = 847,522,411,308.48
  5. Step 5: Solve for x
    x = 847,522,411,308.48/1,361,559.20
  6. Step 6: Final answer
    x = 622,464.61

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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.