Home / 1,629,490.72-2,442,758.64-880,661.92

Finding the Fourth Proportional to 1,629,490.72, 2,442,758.64 and 880,661.92

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Solution

The fourth proportional to 1,629,490.72, 2,442,758.64 and 880,661.92 is: 1,320,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,490.72 : 2,442,758.64 = 880,661.92 : x
  2. Step 2: Convert to fraction form
    1,629,490.72/2,442,758.64 = 880,661.92/x
  3. Step 3: Cross multiply
    1,629,490.72x = 2,442,758.64 × 880,661.92
  4. Step 4: Simplify right side
    1,629,490.72x = 2,151,244,513,998.99
  5. Step 5: Solve for x
    x = 2,151,244,513,998.99/1,629,490.72
  6. Step 6: Final answer
    x = 1,320,194.39

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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.