Home / 1,108,563.20-1,658,692.80-789,452.80

Finding the Fourth Proportional to 1,108,563.20, 1,658,692.80 and 789,452.80

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Solution

The fourth proportional to 1,108,563.20, 1,658,692.80 and 789,452.80 is: 1,181,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,563.20 : 1,658,692.80 = 789,452.80 : x
  2. Step 2: Convert to fraction form
    1,108,563.20/1,658,692.80 = 789,452.80/x
  3. Step 3: Cross multiply
    1,108,563.20x = 1,658,692.80 × 789,452.80
  4. Step 4: Simplify right side
    1,108,563.20x = 1,309,459,675,299.84
  5. Step 5: Solve for x
    x = 1,309,459,675,299.84/1,108,563.20
  6. Step 6: Final answer
    x = 1,181,222.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.