Home / 1,276,946.52-1,915,408.26-488,978.52

Finding the Fourth Proportional to 1,276,946.52, 1,915,408.26 and 488,978.52

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Solution

The fourth proportional to 1,276,946.52, 1,915,408.26 and 488,978.52 is: 733,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,946.52 : 1,915,408.26 = 488,978.52 : x
  2. Step 2: Convert to fraction form
    1,276,946.52/1,915,408.26 = 488,978.52/x
  3. Step 3: Cross multiply
    1,276,946.52x = 1,915,408.26 × 488,978.52
  4. Step 4: Simplify right side
    1,276,946.52x = 936,593,496,170.58
  5. Step 5: Solve for x
    x = 936,593,496,170.58/1,276,946.52
  6. Step 6: Final answer
    x = 733,463.37

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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.