Home / 1,304,709.48-1,799,734.50-820,506.60

Finding the Fourth Proportional to 1,304,709.48, 1,799,734.50 and 820,506.60

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Solution

The fourth proportional to 1,304,709.48, 1,799,734.50 and 820,506.60 is: 1,131,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,709.48 : 1,799,734.50 = 820,506.60 : x
  2. Step 2: Convert to fraction form
    1,304,709.48/1,799,734.50 = 820,506.60/x
  3. Step 3: Cross multiply
    1,304,709.48x = 1,799,734.50 × 820,506.60
  4. Step 4: Simplify right side
    1,304,709.48x = 1,476,694,035,497.70
  5. Step 5: Solve for x
    x = 1,476,694,035,497.70/1,304,709.48
  6. Step 6: Final answer
    x = 1,131,818.28

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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.