Home / 1,079,947.62-1,619,899.56-281,211.48

Finding the Fourth Proportional to 1,079,947.62, 1,619,899.56 and 281,211.48

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Solution

The fourth proportional to 1,079,947.62, 1,619,899.56 and 281,211.48 is: 421,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,947.62 : 1,619,899.56 = 281,211.48 : x
  2. Step 2: Convert to fraction form
    1,079,947.62/1,619,899.56 = 281,211.48/x
  3. Step 3: Cross multiply
    1,079,947.62x = 1,619,899.56 × 281,211.48
  4. Step 4: Simplify right side
    1,079,947.62x = 455,534,352,718.95
  5. Step 5: Solve for x
    x = 455,534,352,718.95/1,079,947.62
  6. Step 6: Final answer
    x = 421,811.53

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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.