Home / 1,479,918.81-2,042,287.96-800,855.31

Finding the Fourth Proportional to 1,479,918.81, 2,042,287.96 and 800,855.31

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Solution

The fourth proportional to 1,479,918.81, 2,042,287.96 and 800,855.31 is: 1,105,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,918.81 : 2,042,287.96 = 800,855.31 : x
  2. Step 2: Convert to fraction form
    1,479,918.81/2,042,287.96 = 800,855.31/x
  3. Step 3: Cross multiply
    1,479,918.81x = 2,042,287.96 × 800,855.31
  4. Step 4: Simplify right side
    1,479,918.81x = 1,635,577,157,315.07
  5. Step 5: Solve for x
    x = 1,635,577,157,315.07/1,479,918.81
  6. Step 6: Final answer
    x = 1,105,180.33

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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.