Home / 1,206,408.48-1,664,845.74-662,579.34

Finding the Fourth Proportional to 1,206,408.48, 1,664,845.74 and 662,579.34

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Solution

The fourth proportional to 1,206,408.48, 1,664,845.74 and 662,579.34 is: 914,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,408.48 : 1,664,845.74 = 662,579.34 : x
  2. Step 2: Convert to fraction form
    1,206,408.48/1,664,845.74 = 662,579.34/x
  3. Step 3: Cross multiply
    1,206,408.48x = 1,664,845.74 × 662,579.34
  4. Step 4: Simplify right side
    1,206,408.48x = 1,103,092,391,611.01
  5. Step 5: Solve for x
    x = 1,103,092,391,611.01/1,206,408.48
  6. Step 6: Final answer
    x = 914,360.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.