Home / 1,705,056.62-2,352,626.89-979,764.21

Finding the Fourth Proportional to 1,705,056.62, 2,352,626.89 and 979,764.21

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Solution

The fourth proportional to 1,705,056.62, 2,352,626.89 and 979,764.21 is: 1,351,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,056.62 : 2,352,626.89 = 979,764.21 : x
  2. Step 2: Convert to fraction form
    1,705,056.62/2,352,626.89 = 979,764.21/x
  3. Step 3: Cross multiply
    1,705,056.62x = 2,352,626.89 × 979,764.21
  4. Step 4: Simplify right side
    1,705,056.62x = 2,305,019,626,305.61
  5. Step 5: Solve for x
    x = 2,305,019,626,305.61/1,705,056.62
  6. Step 6: Final answer
    x = 1,351,872.78

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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.