Home / 1,080,086.13-1,620,123.35-440,387.39

Finding the Fourth Proportional to 1,080,086.13, 1,620,123.35 and 440,387.39

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Solution

The fourth proportional to 1,080,086.13, 1,620,123.35 and 440,387.39 is: 660,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,086.13 : 1,620,123.35 = 440,387.39 : x
  2. Step 2: Convert to fraction form
    1,080,086.13/1,620,123.35 = 440,387.39/x
  3. Step 3: Cross multiply
    1,080,086.13x = 1,620,123.35 × 440,387.39
  4. Step 4: Simplify right side
    1,080,086.13x = 713,481,893,584.56
  5. Step 5: Solve for x
    x = 713,481,893,584.56/1,080,086.13
  6. Step 6: Final answer
    x = 660,578.70

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Double scale
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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.