Home / 1,253,066.73-1,879,906.28-400,138.58

Finding the Fourth Proportional to 1,253,066.73, 1,879,906.28 and 400,138.58

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Solution

The fourth proportional to 1,253,066.73, 1,879,906.28 and 400,138.58 is: 600,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,066.73 : 1,879,906.28 = 400,138.58 : x
  2. Step 2: Convert to fraction form
    1,253,066.73/1,879,906.28 = 400,138.58/x
  3. Step 3: Cross multiply
    1,253,066.73x = 1,879,906.28 × 400,138.58
  4. Step 4: Simplify right side
    1,253,066.73x = 752,223,029,412.28
  5. Step 5: Solve for x
    x = 752,223,029,412.28/1,253,066.73
  6. Step 6: Final answer
    x = 600,305.64

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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.