Home / 1,479,919.31-2,042,288.66-800,855.81

Finding the Fourth Proportional to 1,479,919.31, 2,042,288.66 and 800,855.81

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Solution

The fourth proportional to 1,479,919.31, 2,042,288.66 and 800,855.81 is: 1,105,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,919.31 : 2,042,288.66 = 800,855.81 : x
  2. Step 2: Convert to fraction form
    1,479,919.31/2,042,288.66 = 800,855.81/x
  3. Step 3: Cross multiply
    1,479,919.31x = 2,042,288.66 × 800,855.81
  4. Step 4: Simplify right side
    1,479,919.31x = 1,635,578,746,165.98
  5. Step 5: Solve for x
    x = 1,635,578,746,165.98/1,479,919.31
  6. Step 6: Final answer
    x = 1,105,181.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.