Home / 1,383,719.19-2,074,146.29-672,864

Finding the Fourth Proportional to 1,383,719.19, 2,074,146.29 and 672,864

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Solution

The fourth proportional to 1,383,719.19, 2,074,146.29 and 672,864 is: 1,008,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,719.19 : 2,074,146.29 = 672,864 : x
  2. Step 2: Convert to fraction form
    1,383,719.19/2,074,146.29 = 672,864/x
  3. Step 3: Cross multiply
    1,383,719.19x = 2,074,146.29 × 672,864
  4. Step 4: Simplify right side
    1,383,719.19x = 1,395,618,365,910.24
  5. Step 5: Solve for x
    x = 1,395,618,365,910.24/1,383,719.19
  6. Step 6: Final answer
    x = 1,008,599.42

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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.