Home / 1,401,267.65-1,933,755.26-789,427.76

Finding the Fourth Proportional to 1,401,267.65, 1,933,755.26 and 789,427.76

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Solution

The fourth proportional to 1,401,267.65, 1,933,755.26 and 789,427.76 is: 1,089,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,267.65 : 1,933,755.26 = 789,427.76 : x
  2. Step 2: Convert to fraction form
    1,401,267.65/1,933,755.26 = 789,427.76/x
  3. Step 3: Cross multiply
    1,401,267.65x = 1,933,755.26 × 789,427.76
  4. Step 4: Simplify right side
    1,401,267.65x = 1,526,560,069,674.10
  5. Step 5: Solve for x
    x = 1,526,560,069,674.10/1,401,267.65
  6. Step 6: Final answer
    x = 1,089,413.63

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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.