Home / 1,479,919.14-2,218,979.79-580,283.04

Finding the Fourth Proportional to 1,479,919.14, 2,218,979.79 and 580,283.04

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Solution

The fourth proportional to 1,479,919.14, 2,218,979.79 and 580,283.04 is: 870,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,919.14 : 2,218,979.79 = 580,283.04 : x
  2. Step 2: Convert to fraction form
    1,479,919.14/2,218,979.79 = 580,283.04/x
  3. Step 3: Cross multiply
    1,479,919.14x = 2,218,979.79 × 580,283.04
  4. Step 4: Simplify right side
    1,479,919.14x = 1,287,636,338,239.76
  5. Step 5: Solve for x
    x = 1,287,636,338,239.76/1,479,919.14
  6. Step 6: Final answer
    x = 870,072.09

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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.