Home / 1,401,260.84-1,933,745.86-789,420.92

Finding the Fourth Proportional to 1,401,260.84, 1,933,745.86 and 789,420.92

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Solution

The fourth proportional to 1,401,260.84, 1,933,745.86 and 789,420.92 is: 1,089,404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,260.84 : 1,933,745.86 = 789,420.92 : x
  2. Step 2: Convert to fraction form
    1,401,260.84/1,933,745.86 = 789,420.92/x
  3. Step 3: Cross multiply
    1,401,260.84x = 1,933,745.86 × 789,420.92
  4. Step 4: Simplify right side
    1,401,260.84x = 1,526,539,435,847.39
  5. Step 5: Solve for x
    x = 1,526,539,435,847.39/1,401,260.84
  6. Step 6: Final answer
    x = 1,089,404.19

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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.