Home / 1,508,545.92-2,081,801.86-820,224.53

Finding the Fourth Proportional to 1,508,545.92, 2,081,801.86 and 820,224.53

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Solution

The fourth proportional to 1,508,545.92, 2,081,801.86 and 820,224.53 is: 1,131,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,545.92 : 2,081,801.86 = 820,224.53 : x
  2. Step 2: Convert to fraction form
    1,508,545.92/2,081,801.86 = 820,224.53/x
  3. Step 3: Cross multiply
    1,508,545.92x = 2,081,801.86 × 820,224.53
  4. Step 4: Simplify right side
    1,508,545.92x = 1,707,544,947,518.81
  5. Step 5: Solve for x
    x = 1,707,544,947,518.81/1,508,545.92
  6. Step 6: Final answer
    x = 1,131,914.46

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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.