Home / 1,236,777.30-1,855,165.95-987,945.30

Finding the Fourth Proportional to 1,236,777.30, 1,855,165.95 and 987,945.30

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Solution

The fourth proportional to 1,236,777.30, 1,855,165.95 and 987,945.30 is: 1,481,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,777.30 : 1,855,165.95 = 987,945.30 : x
  2. Step 2: Convert to fraction form
    1,236,777.30/1,855,165.95 = 987,945.30/x
  3. Step 3: Cross multiply
    1,236,777.30x = 1,855,165.95 × 987,945.30
  4. Step 4: Simplify right side
    1,236,777.30x = 1,832,802,481,022.54
  5. Step 5: Solve for x
    x = 1,832,802,481,022.54/1,236,777.30
  6. Step 6: Final answer
    x = 1,481,917.95

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Similar ratio
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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.