Home / 1,401,260.68-1,933,745.66-789,420.77

Finding the Fourth Proportional to 1,401,260.68, 1,933,745.66 and 789,420.77

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Solution

The fourth proportional to 1,401,260.68, 1,933,745.66 and 789,420.77 is: 1,089,404.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,260.68 : 1,933,745.66 = 789,420.77 : x
  2. Step 2: Convert to fraction form
    1,401,260.68/1,933,745.66 = 789,420.77/x
  3. Step 3: Cross multiply
    1,401,260.68x = 1,933,745.66 × 789,420.77
  4. Step 4: Simplify right side
    1,401,260.68x = 1,526,538,987,901.36
  5. Step 5: Solve for x
    x = 1,526,538,987,901.36/1,401,260.68
  6. Step 6: Final answer
    x = 1,089,404.00

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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.