Home / 1,188,467.70-1,781,146.35-477,914.10

Finding the Fourth Proportional to 1,188,467.70, 1,781,146.35 and 477,914.10

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Solution

The fourth proportional to 1,188,467.70, 1,781,146.35 and 477,914.10 is: 716,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,467.70 : 1,781,146.35 = 477,914.10 : x
  2. Step 2: Convert to fraction form
    1,188,467.70/1,781,146.35 = 477,914.10/x
  3. Step 3: Cross multiply
    1,188,467.70x = 1,781,146.35 × 477,914.10
  4. Step 4: Simplify right side
    1,188,467.70x = 851,234,954,828.54
  5. Step 5: Solve for x
    x = 851,234,954,828.54/1,188,467.70
  6. Step 6: Final answer
    x = 716,245.76

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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.