Home / 1,214,692.20-1,823,679.90-709,770.60

Finding the Fourth Proportional to 1,214,692.20, 1,823,679.90 and 709,770.60

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Solution

The fourth proportional to 1,214,692.20, 1,823,679.90 and 709,770.60 is: 1,065,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,692.20 : 1,823,679.90 = 709,770.60 : x
  2. Step 2: Convert to fraction form
    1,214,692.20/1,823,679.90 = 709,770.60/x
  3. Step 3: Cross multiply
    1,214,692.20x = 1,823,679.90 × 709,770.60
  4. Step 4: Simplify right side
    1,214,692.20x = 1,294,394,376,830.94
  5. Step 5: Solve for x
    x = 1,294,394,376,830.94/1,214,692.20
  6. Step 6: Final answer
    x = 1,065,615.12

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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.