Home / 1,515,087.60-2,272,093.80-672,130.80

Finding the Fourth Proportional to 1,515,087.60, 2,272,093.80 and 672,130.80

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Solution

The fourth proportional to 1,515,087.60, 2,272,093.80 and 672,130.80 is: 1,007,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,087.60 : 2,272,093.80 = 672,130.80 : x
  2. Step 2: Convert to fraction form
    1,515,087.60/2,272,093.80 = 672,130.80/x
  3. Step 3: Cross multiply
    1,515,087.60x = 2,272,093.80 × 672,130.80
  4. Step 4: Simplify right side
    1,515,087.60x = 1,527,144,223,469.04
  5. Step 5: Solve for x
    x = 1,527,144,223,469.04/1,515,087.60
  6. Step 6: Final answer
    x = 1,007,957.71

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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.