Home / 1,401,003.28-1,933,503.60-789,276.16

Finding the Fourth Proportional to 1,401,003.28, 1,933,503.60 and 789,276.16

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Solution

The fourth proportional to 1,401,003.28, 1,933,503.60 and 789,276.16 is: 1,089,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,003.28 : 1,933,503.60 = 789,276.16 : x
  2. Step 2: Convert to fraction form
    1,401,003.28/1,933,503.60 = 789,276.16/x
  3. Step 3: Cross multiply
    1,401,003.28x = 1,933,503.60 × 789,276.16
  4. Step 4: Simplify right side
    1,401,003.28x = 1,526,068,296,754.18
  5. Step 5: Solve for x
    x = 1,526,068,296,754.18/1,401,003.28
  6. Step 6: Final answer
    x = 1,089,268.18

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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.