Home / 1,401,268.84-1,933,756.92-789,428.92

Finding the Fourth Proportional to 1,401,268.84, 1,933,756.92 and 789,428.92

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Solution

The fourth proportional to 1,401,268.84, 1,933,756.92 and 789,428.92 is: 1,089,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,268.84 : 1,933,756.92 = 789,428.92 : x
  2. Step 2: Convert to fraction form
    1,401,268.84/1,933,756.92 = 789,428.92/x
  3. Step 3: Cross multiply
    1,401,268.84x = 1,933,756.92 × 789,428.92
  4. Step 4: Simplify right side
    1,401,268.84x = 1,526,563,636,898.13
  5. Step 5: Solve for x
    x = 1,526,563,636,898.13/1,401,268.84
  6. Step 6: Final answer
    x = 1,089,415.25

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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.