Home / 1,372,129.90-2,056,866.44-613,542.22

Finding the Fourth Proportional to 1,372,129.90, 2,056,866.44 and 613,542.22

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Solution

The fourth proportional to 1,372,129.90, 2,056,866.44 and 613,542.22 is: 919,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,129.90 : 2,056,866.44 = 613,542.22 : x
  2. Step 2: Convert to fraction form
    1,372,129.90/2,056,866.44 = 613,542.22/x
  3. Step 3: Cross multiply
    1,372,129.90x = 2,056,866.44 × 613,542.22
  4. Step 4: Simplify right side
    1,372,129.90x = 1,261,974,401,841.10
  5. Step 5: Solve for x
    x = 1,261,974,401,841.10/1,372,129.90
  6. Step 6: Final answer
    x = 919,719.34

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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.