Home / 1,236,664.80-1,854,997.20-987,832.80

Finding the Fourth Proportional to 1,236,664.80, 1,854,997.20 and 987,832.80

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Solution

The fourth proportional to 1,236,664.80, 1,854,997.20 and 987,832.80 is: 1,481,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,664.80 : 1,854,997.20 = 987,832.80 : x
  2. Step 2: Convert to fraction form
    1,236,664.80/1,854,997.20 = 987,832.80/x
  3. Step 3: Cross multiply
    1,236,664.80x = 1,854,997.20 × 987,832.80
  4. Step 4: Simplify right side
    1,236,664.80x = 1,832,427,078,068.16
  5. Step 5: Solve for x
    x = 1,832,427,078,068.16/1,236,664.80
  6. Step 6: Final answer
    x = 1,481,749.20

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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.