Home / 1,513,879.82-2,268,249.12-913,579.58

Finding the Fourth Proportional to 1,513,879.82, 2,268,249.12 and 913,579.58

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Solution

The fourth proportional to 1,513,879.82, 2,268,249.12 and 913,579.58 is: 1,368,818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,879.82 : 2,268,249.12 = 913,579.58 : x
  2. Step 2: Convert to fraction form
    1,513,879.82/2,268,249.12 = 913,579.58/x
  3. Step 3: Cross multiply
    1,513,879.82x = 2,268,249.12 × 913,579.58
  4. Step 4: Simplify right side
    1,513,879.82x = 2,072,226,078,384.97
  5. Step 5: Solve for x
    x = 2,072,226,078,384.97/1,513,879.82
  6. Step 6: Final answer
    x = 1,368,818.09

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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.