Home / 1,029,286.56-1,543,882.32-281,330.40

Finding the Fourth Proportional to 1,029,286.56, 1,543,882.32 and 281,330.40

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Solution

The fourth proportional to 1,029,286.56, 1,543,882.32 and 281,330.40 is: 421,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,286.56 : 1,543,882.32 = 281,330.40 : x
  2. Step 2: Convert to fraction form
    1,029,286.56/1,543,882.32 = 281,330.40/x
  3. Step 3: Cross multiply
    1,029,286.56x = 1,543,882.32 × 281,330.40
  4. Step 4: Simplify right side
    1,029,286.56x = 434,341,030,638.53
  5. Step 5: Solve for x
    x = 434,341,030,638.53/1,029,286.56
  6. Step 6: Final answer
    x = 421,982.61

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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.