Home / 1,162,147.50-1,743,321.60-320,699.16

Finding the Fourth Proportional to 1,162,147.50, 1,743,321.60 and 320,699.16

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Solution

The fourth proportional to 1,162,147.50, 1,743,321.60 and 320,699.16 is: 481,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,147.50 : 1,743,321.60 = 320,699.16 : x
  2. Step 2: Convert to fraction form
    1,162,147.50/1,743,321.60 = 320,699.16/x
  3. Step 3: Cross multiply
    1,162,147.50x = 1,743,321.60 × 320,699.16
  4. Step 4: Simplify right side
    1,162,147.50x = 559,081,772,729.86
  5. Step 5: Solve for x
    x = 559,081,772,729.86/1,162,147.50
  6. Step 6: Final answer
    x = 481,076.43

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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.