Home / 1,279,220.07-1,915,771.03-737,835.18

Finding the Fourth Proportional to 1,279,220.07, 1,915,771.03 and 737,835.18

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Solution

The fourth proportional to 1,279,220.07, 1,915,771.03 and 737,835.18 is: 1,104,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,220.07 : 1,915,771.03 = 737,835.18 : x
  2. Step 2: Convert to fraction form
    1,279,220.07/1,915,771.03 = 737,835.18/x
  3. Step 3: Cross multiply
    1,279,220.07x = 1,915,771.03 × 737,835.18
  4. Step 4: Simplify right side
    1,279,220.07x = 1,413,523,253,730.11
  5. Step 5: Solve for x
    x = 1,413,523,253,730.11/1,279,220.07
  6. Step 6: Final answer
    x = 1,104,988.33

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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.