Home / 1,479,920.39-2,218,981.66-580,284.29

Finding the Fourth Proportional to 1,479,920.39, 2,218,981.66 and 580,284.29

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Solution

The fourth proportional to 1,479,920.39, 2,218,981.66 and 580,284.29 is: 870,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,920.39 : 2,218,981.66 = 580,284.29 : x
  2. Step 2: Convert to fraction form
    1,479,920.39/2,218,981.66 = 580,284.29/x
  3. Step 3: Cross multiply
    1,479,920.39x = 2,218,981.66 × 580,284.29
  4. Step 4: Simplify right side
    1,479,920.39x = 1,287,640,197,096.12
  5. Step 5: Solve for x
    x = 1,287,640,197,096.12/1,479,920.39
  6. Step 6: Final answer
    x = 870,073.96

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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.