Home / 1,479,917.81-2,042,286.59-800,854.31

Finding the Fourth Proportional to 1,479,917.81, 2,042,286.59 and 800,854.31

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Solution

The fourth proportional to 1,479,917.81, 2,042,286.59 and 800,854.31 is: 1,105,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,917.81 : 2,042,286.59 = 800,854.31 : x
  2. Step 2: Convert to fraction form
    1,479,917.81/2,042,286.59 = 800,854.31/x
  3. Step 3: Cross multiply
    1,479,917.81x = 2,042,286.59 × 800,854.31
  4. Step 4: Simplify right side
    1,479,917.81x = 1,635,574,024,964.56
  5. Step 5: Solve for x
    x = 1,635,574,024,964.56/1,479,917.81
  6. Step 6: Final answer
    x = 1,105,178.96

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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.