Home / 1,284,489.98-1,927,005.33-485,753.66

Finding the Fourth Proportional to 1,284,489.98, 1,927,005.33 and 485,753.66

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Solution

The fourth proportional to 1,284,489.98, 1,927,005.33 and 485,753.66 is: 728,732.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,489.98 : 1,927,005.33 = 485,753.66 : x
  2. Step 2: Convert to fraction form
    1,284,489.98/1,927,005.33 = 485,753.66/x
  3. Step 3: Cross multiply
    1,284,489.98x = 1,927,005.33 × 485,753.66
  4. Step 4: Simplify right side
    1,284,489.98x = 936,049,891,887.01
  5. Step 5: Solve for x
    x = 936,049,891,887.01/1,284,489.98
  6. Step 6: Final answer
    x = 728,732.73

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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.