Home / 1,993,408.80-2,990,113.20-731,072.40

Finding the Fourth Proportional to 1,993,408.80, 2,990,113.20 and 731,072.40

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Solution

The fourth proportional to 1,993,408.80, 2,990,113.20 and 731,072.40 is: 1,096,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,408.80 : 2,990,113.20 = 731,072.40 : x
  2. Step 2: Convert to fraction form
    1,993,408.80/2,990,113.20 = 731,072.40/x
  3. Step 3: Cross multiply
    1,993,408.80x = 2,990,113.20 × 731,072.40
  4. Step 4: Simplify right side
    1,993,408.80x = 2,185,989,233,395.68
  5. Step 5: Solve for x
    x = 2,185,989,233,395.68/1,993,408.80
  6. Step 6: Final answer
    x = 1,096,608.60

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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.