Home / 1,479,923.89-2,218,986.91-580,287.79

Finding the Fourth Proportional to 1,479,923.89, 2,218,986.91 and 580,287.79

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Solution

The fourth proportional to 1,479,923.89, 2,218,986.91 and 580,287.79 is: 870,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,923.89 : 2,218,986.91 = 580,287.79 : x
  2. Step 2: Convert to fraction form
    1,479,923.89/2,218,986.91 = 580,287.79/x
  3. Step 3: Cross multiply
    1,479,923.89x = 2,218,986.91 × 580,287.79
  4. Step 4: Simplify right side
    1,479,923.89x = 1,287,651,010,042.83
  5. Step 5: Solve for x
    x = 1,287,651,010,042.83/1,479,923.89
  6. Step 6: Final answer
    x = 870,079.21

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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.