Home / 988,974.80-1,483,462.20-890,997.20

Finding the Fourth Proportional to 988,974.80, 1,483,462.20 and 890,997.20

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Solution

The fourth proportional to 988,974.80, 1,483,462.20 and 890,997.20 is: 1,336,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,974.80 : 1,483,462.20 = 890,997.20 : x
  2. Step 2: Convert to fraction form
    988,974.80/1,483,462.20 = 890,997.20/x
  3. Step 3: Cross multiply
    988,974.80x = 1,483,462.20 × 890,997.20
  4. Step 4: Simplify right side
    988,974.80x = 1,321,760,666,505.84
  5. Step 5: Solve for x
    x = 1,321,760,666,505.84/988,974.80
  6. Step 6: Final answer
    x = 1,336,495.80

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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.