Home / 1,374,874.16-2,062,158.42-428,165.60

Finding the Fourth Proportional to 1,374,874.16, 2,062,158.42 and 428,165.60

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Solution

The fourth proportional to 1,374,874.16, 2,062,158.42 and 428,165.60 is: 642,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,874.16 : 2,062,158.42 = 428,165.60 : x
  2. Step 2: Convert to fraction form
    1,374,874.16/2,062,158.42 = 428,165.60/x
  3. Step 3: Cross multiply
    1,374,874.16x = 2,062,158.42 × 428,165.60
  4. Step 4: Simplify right side
    1,374,874.16x = 882,945,297,194.35
  5. Step 5: Solve for x
    x = 882,945,297,194.35/1,374,874.16
  6. Step 6: Final answer
    x = 642,200.81

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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.