Home / 988,827.48-1,481,714.56-667,720.88

Finding the Fourth Proportional to 988,827.48, 1,481,714.56 and 667,720.88

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Solution

The fourth proportional to 988,827.48, 1,481,714.56 and 667,720.88 is: 1,000,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,827.48 : 1,481,714.56 = 667,720.88 : x
  2. Step 2: Convert to fraction form
    988,827.48/1,481,714.56 = 667,720.88/x
  3. Step 3: Cross multiply
    988,827.48x = 1,481,714.56 × 667,720.88
  4. Step 4: Simplify right side
    988,827.48x = 989,371,749,912.01
  5. Step 5: Solve for x
    x = 989,371,749,912.01/988,827.48
  6. Step 6: Final answer
    x = 1,000,550.42

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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.