Home / 1,450,850.37-2,002,131.38-830,634.80

Finding the Fourth Proportional to 1,450,850.37, 2,002,131.38 and 830,634.80

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Solution

The fourth proportional to 1,450,850.37, 2,002,131.38 and 830,634.80 is: 1,146,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,850.37 : 2,002,131.38 = 830,634.80 : x
  2. Step 2: Convert to fraction form
    1,450,850.37/2,002,131.38 = 830,634.80/x
  3. Step 3: Cross multiply
    1,450,850.37x = 2,002,131.38 × 830,634.80
  4. Step 4: Simplify right side
    1,450,850.37x = 1,663,039,984,236.19
  5. Step 5: Solve for x
    x = 1,663,039,984,236.19/1,450,850.37
  6. Step 6: Final answer
    x = 1,146,251.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.