Home / 1,078,249.58-1,617,097.58-319,911.65

Finding the Fourth Proportional to 1,078,249.58, 1,617,097.58 and 319,911.65

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Solution

The fourth proportional to 1,078,249.58, 1,617,097.58 and 319,911.65 is: 479,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,249.58 : 1,617,097.58 = 319,911.65 : x
  2. Step 2: Convert to fraction form
    1,078,249.58/1,617,097.58 = 319,911.65/x
  3. Step 3: Cross multiply
    1,078,249.58x = 1,617,097.58 × 319,911.65
  4. Step 4: Simplify right side
    1,078,249.58x = 517,328,345,343.76
  5. Step 5: Solve for x
    x = 517,328,345,343.76/1,078,249.58
  6. Step 6: Final answer
    x = 479,785.34

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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.