Home / 1,021,859.88-1,530,172.71-852,960.30

Finding the Fourth Proportional to 1,021,859.88, 1,530,172.71 and 852,960.30

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Solution

The fourth proportional to 1,021,859.88, 1,530,172.71 and 852,960.30 is: 1,277,255.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,859.88 : 1,530,172.71 = 852,960.30 : x
  2. Step 2: Convert to fraction form
    1,021,859.88/1,530,172.71 = 852,960.30/x
  3. Step 3: Cross multiply
    1,021,859.88x = 1,530,172.71 × 852,960.30
  4. Step 4: Simplify right side
    1,021,859.88x = 1,305,176,573,773.41
  5. Step 5: Solve for x
    x = 1,305,176,573,773.41/1,021,859.88
  6. Step 6: Final answer
    x = 1,277,255.91

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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.