Home / 1,361,609.80-2,042,706.30-415,076.20

Finding the Fourth Proportional to 1,361,609.80, 2,042,706.30 and 415,076.20

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Solution

The fourth proportional to 1,361,609.80, 2,042,706.30 and 415,076.20 is: 622,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,609.80 : 2,042,706.30 = 415,076.20 : x
  2. Step 2: Convert to fraction form
    1,361,609.80/2,042,706.30 = 415,076.20/x
  3. Step 3: Cross multiply
    1,361,609.80x = 2,042,706.30 × 415,076.20
  4. Step 4: Simplify right side
    1,361,609.80x = 847,878,768,720.06
  5. Step 5: Solve for x
    x = 847,878,768,720.06/1,361,609.80
  6. Step 6: Final answer
    x = 622,703.19

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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.