Home / 1,302,213.60-1,952,664.30-769,897.80

Finding the Fourth Proportional to 1,302,213.60, 1,952,664.30 and 769,897.80

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Solution

The fourth proportional to 1,302,213.60, 1,952,664.30 and 769,897.80 is: 1,154,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,213.60 : 1,952,664.30 = 769,897.80 : x
  2. Step 2: Convert to fraction form
    1,302,213.60/1,952,664.30 = 769,897.80/x
  3. Step 3: Cross multiply
    1,302,213.60x = 1,952,664.30 × 769,897.80
  4. Step 4: Simplify right side
    1,302,213.60x = 1,503,351,948,708.54
  5. Step 5: Solve for x
    x = 1,503,351,948,708.54/1,302,213.60
  6. Step 6: Final answer
    x = 1,154,458.80

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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.