Home / 3,103,123.80-4,654,685.70-859,261.80

Finding the Fourth Proportional to 3,103,123.80, 4,654,685.70 and 859,261.80

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Solution

The fourth proportional to 3,103,123.80, 4,654,685.70 and 859,261.80 is: 1,288,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,123.80 : 4,654,685.70 = 859,261.80 : x
  2. Step 2: Convert to fraction form
    3,103,123.80/4,654,685.70 = 859,261.80/x
  3. Step 3: Cross multiply
    3,103,123.80x = 4,654,685.70 × 859,261.80
  4. Step 4: Simplify right side
    3,103,123.80x = 3,999,593,613,016.26
  5. Step 5: Solve for x
    x = 3,999,593,613,016.26/3,103,123.80
  6. Step 6: Final answer
    x = 1,288,892.70

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Similar ratio
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1.5x scale

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.