Home / 1,790,122.80-2,685,241.80-668,305.20

Finding the Fourth Proportional to 1,790,122.80, 2,685,241.80 and 668,305.20

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Solution

The fourth proportional to 1,790,122.80, 2,685,241.80 and 668,305.20 is: 1,002,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,122.80 : 2,685,241.80 = 668,305.20 : x
  2. Step 2: Convert to fraction form
    1,790,122.80/2,685,241.80 = 668,305.20/x
  3. Step 3: Cross multiply
    1,790,122.80x = 2,685,241.80 × 668,305.20
  4. Step 4: Simplify right side
    1,790,122.80x = 1,794,561,058,197.36
  5. Step 5: Solve for x
    x = 1,794,561,058,197.36/1,790,122.80
  6. Step 6: Final answer
    x = 1,002,479.30

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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.