Home / 1,410,194.88-2,115,021.60-399,072.60

Finding the Fourth Proportional to 1,410,194.88, 2,115,021.60 and 399,072.60

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Solution

The fourth proportional to 1,410,194.88, 2,115,021.60 and 399,072.60 is: 598,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,194.88 : 2,115,021.60 = 399,072.60 : x
  2. Step 2: Convert to fraction form
    1,410,194.88/2,115,021.60 = 399,072.60/x
  3. Step 3: Cross multiply
    1,410,194.88x = 2,115,021.60 × 399,072.60
  4. Step 4: Simplify right side
    1,410,194.88x = 844,047,168,968.16
  5. Step 5: Solve for x
    x = 844,047,168,968.16/1,410,194.88
  6. Step 6: Final answer
    x = 598,532.29

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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.