Home / 1,093,344.40-1,638,850.20-419,165.20

Finding the Fourth Proportional to 1,093,344.40, 1,638,850.20 and 419,165.20

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Solution

The fourth proportional to 1,093,344.40, 1,638,850.20 and 419,165.20 is: 628,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,344.40 : 1,638,850.20 = 419,165.20 : x
  2. Step 2: Convert to fraction form
    1,093,344.40/1,638,850.20 = 419,165.20/x
  3. Step 3: Cross multiply
    1,093,344.40x = 1,638,850.20 × 419,165.20
  4. Step 4: Simplify right side
    1,093,344.40x = 686,948,971,853.04
  5. Step 5: Solve for x
    x = 686,948,971,853.04/1,093,344.40
  6. Step 6: Final answer
    x = 628,300.63

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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.