Home / 1,294,500.88-1,939,389.36-722,906.56

Finding the Fourth Proportional to 1,294,500.88, 1,939,389.36 and 722,906.56

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Solution

The fourth proportional to 1,294,500.88, 1,939,389.36 and 722,906.56 is: 1,083,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,500.88 : 1,939,389.36 = 722,906.56 : x
  2. Step 2: Convert to fraction form
    1,294,500.88/1,939,389.36 = 722,906.56/x
  3. Step 3: Cross multiply
    1,294,500.88x = 1,939,389.36 × 722,906.56
  4. Step 4: Simplify right side
    1,294,500.88x = 1,401,997,290,738.20
  5. Step 5: Solve for x
    x = 1,401,997,290,738.20/1,294,500.88
  6. Step 6: Final answer
    x = 1,083,040.82

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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.