Home / 1,325,009.20-1,987,513.80-1,026,410.80

Finding the Fourth Proportional to 1,325,009.20, 1,987,513.80 and 1,026,410.80

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Solution

The fourth proportional to 1,325,009.20, 1,987,513.80 and 1,026,410.80 is: 1,539,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,009.20 : 1,987,513.80 = 1,026,410.80 : x
  2. Step 2: Convert to fraction form
    1,325,009.20/1,987,513.80 = 1,026,410.80/x
  3. Step 3: Cross multiply
    1,325,009.20x = 1,987,513.80 × 1,026,410.80
  4. Step 4: Simplify right side
    1,325,009.20x = 2,040,005,629,469.04
  5. Step 5: Solve for x
    x = 2,040,005,629,469.04/1,325,009.20
  6. Step 6: Final answer
    x = 1,539,616.20

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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.