Home / 1,304,692.48-1,799,711-820,489.60

Finding the Fourth Proportional to 1,304,692.48, 1,799,711 and 820,489.60

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Solution

The fourth proportional to 1,304,692.48, 1,799,711 and 820,489.60 is: 1,131,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,692.48 : 1,799,711 = 820,489.60 : x
  2. Step 2: Convert to fraction form
    1,304,692.48/1,799,711 = 820,489.60/x
  3. Step 3: Cross multiply
    1,304,692.48x = 1,799,711 × 820,489.60
  4. Step 4: Simplify right side
    1,304,692.48x = 1,476,644,158,505.60
  5. Step 5: Solve for x
    x = 1,476,644,158,505.60/1,304,692.48
  6. Step 6: Final answer
    x = 1,131,794.80

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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.