Home / 1,078,249.70-1,617,097.77-319,911.77

Finding the Fourth Proportional to 1,078,249.70, 1,617,097.77 and 319,911.77

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Solution

The fourth proportional to 1,078,249.70, 1,617,097.77 and 319,911.77 is: 479,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,249.70 : 1,617,097.77 = 319,911.77 : x
  2. Step 2: Convert to fraction form
    1,078,249.70/1,617,097.77 = 319,911.77/x
  3. Step 3: Cross multiply
    1,078,249.70x = 1,617,097.77 × 319,911.77
  4. Step 4: Simplify right side
    1,078,249.70x = 517,328,613,906.50
  5. Step 5: Solve for x
    x = 517,328,613,906.50/1,078,249.70
  6. Step 6: Final answer
    x = 479,785.54

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1.5x scale

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.