Home / 1,381,573.92-2,072,179.44-434,949.60

Finding the Fourth Proportional to 1,381,573.92, 2,072,179.44 and 434,949.60

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Solution

The fourth proportional to 1,381,573.92, 2,072,179.44 and 434,949.60 is: 652,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,573.92 : 2,072,179.44 = 434,949.60 : x
  2. Step 2: Convert to fraction form
    1,381,573.92/2,072,179.44 = 434,949.60/x
  3. Step 3: Cross multiply
    1,381,573.92x = 2,072,179.44 × 434,949.60
  4. Step 4: Simplify right side
    1,381,573.92x = 901,293,618,556.22
  5. Step 5: Solve for x
    x = 901,293,618,556.22/1,381,573.92
  6. Step 6: Final answer
    x = 652,367.28

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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.