Home / 1,605,665.20-2,215,848.54-880,469.80

Finding the Fourth Proportional to 1,605,665.20, 2,215,848.54 and 880,469.80

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Solution

The fourth proportional to 1,605,665.20, 2,215,848.54 and 880,469.80 is: 1,215,065.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,665.20 : 2,215,848.54 = 880,469.80 : x
  2. Step 2: Convert to fraction form
    1,605,665.20/2,215,848.54 = 880,469.80/x
  3. Step 3: Cross multiply
    1,605,665.20x = 2,215,848.54 × 880,469.80
  4. Step 4: Simplify right side
    1,605,665.20x = 1,950,987,720,844.09
  5. Step 5: Solve for x
    x = 1,950,987,720,844.09/1,605,665.20
  6. Step 6: Final answer
    x = 1,215,065.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.