Home / 1,646,643.70-2,469,965.55-847,659.70

Finding the Fourth Proportional to 1,646,643.70, 2,469,965.55 and 847,659.70

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Solution

The fourth proportional to 1,646,643.70, 2,469,965.55 and 847,659.70 is: 1,271,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,643.70 : 2,469,965.55 = 847,659.70 : x
  2. Step 2: Convert to fraction form
    1,646,643.70/2,469,965.55 = 847,659.70/x
  3. Step 3: Cross multiply
    1,646,643.70x = 2,469,965.55 × 847,659.70
  4. Step 4: Simplify right side
    1,646,643.70x = 2,093,690,257,123.33
  5. Step 5: Solve for x
    x = 2,093,690,257,123.33/1,646,643.70
  6. Step 6: Final answer
    x = 1,271,489.55

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Similar ratio
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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.