Home / 1,310,729.42-1,966,164.20-412,241.22

Finding the Fourth Proportional to 1,310,729.42, 1,966,164.20 and 412,241.22

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Solution

The fourth proportional to 1,310,729.42, 1,966,164.20 and 412,241.22 is: 618,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,729.42 : 1,966,164.20 = 412,241.22 : x
  2. Step 2: Convert to fraction form
    1,310,729.42/1,966,164.20 = 412,241.22/x
  3. Step 3: Cross multiply
    1,310,729.42x = 1,966,164.20 × 412,241.22
  4. Step 4: Simplify right side
    1,310,729.42x = 810,533,926,982.42
  5. Step 5: Solve for x
    x = 810,533,926,982.42/1,310,729.42
  6. Step 6: Final answer
    x = 618,383.87

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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.