Home / 1,391,714.25-2,084,027.49-916,960.29

Finding the Fourth Proportional to 1,391,714.25, 2,084,027.49 and 916,960.29

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Solution

The fourth proportional to 1,391,714.25, 2,084,027.49 and 916,960.29 is: 1,373,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,714.25 : 2,084,027.49 = 916,960.29 : x
  2. Step 2: Convert to fraction form
    1,391,714.25/2,084,027.49 = 916,960.29/x
  3. Step 3: Cross multiply
    1,391,714.25x = 2,084,027.49 × 916,960.29
  4. Step 4: Simplify right side
    1,391,714.25x = 1,910,970,451,598.37
  5. Step 5: Solve for x
    x = 1,910,970,451,598.37/1,391,714.25
  6. Step 6: Final answer
    x = 1,373,105.47

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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.