Home / 1,678,991.24-2,519,228.82-880,081.76

Finding the Fourth Proportional to 1,678,991.24, 2,519,228.82 and 880,081.76

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Solution

The fourth proportional to 1,678,991.24, 2,519,228.82 and 880,081.76 is: 1,320,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,991.24 : 2,519,228.82 = 880,081.76 : x
  2. Step 2: Convert to fraction form
    1,678,991.24/2,519,228.82 = 880,081.76/x
  3. Step 3: Cross multiply
    1,678,991.24x = 2,519,228.82 × 880,081.76
  4. Step 4: Simplify right side
    1,678,991.24x = 2,217,127,333,748.32
  5. Step 5: Solve for x
    x = 2,217,127,333,748.32/1,678,991.24
  6. Step 6: Final answer
    x = 1,320,511.56

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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.