Home / 1,474,551.92-2,034,751.92-821,128.56

Finding the Fourth Proportional to 1,474,551.92, 2,034,751.92 and 821,128.56

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Solution

The fourth proportional to 1,474,551.92, 2,034,751.92 and 821,128.56 is: 1,133,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,551.92 : 2,034,751.92 = 821,128.56 : x
  2. Step 2: Convert to fraction form
    1,474,551.92/2,034,751.92 = 821,128.56/x
  3. Step 3: Cross multiply
    1,474,551.92x = 2,034,751.92 × 821,128.56
  4. Step 4: Simplify right side
    1,474,551.92x = 1,670,792,922,794.93
  5. Step 5: Solve for x
    x = 1,670,792,922,794.93/1,474,551.92
  6. Step 6: Final answer
    x = 1,133,085.18

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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.