Home / 1,372,200.20-2,056,550.70-660,696.20

Finding the Fourth Proportional to 1,372,200.20, 2,056,550.70 and 660,696.20

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Solution

The fourth proportional to 1,372,200.20, 2,056,550.70 and 660,696.20 is: 990,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,200.20 : 2,056,550.70 = 660,696.20 : x
  2. Step 2: Convert to fraction form
    1,372,200.20/2,056,550.70 = 660,696.20/x
  3. Step 3: Cross multiply
    1,372,200.20x = 2,056,550.70 × 660,696.20
  4. Step 4: Simplify right side
    1,372,200.20x = 1,358,755,232,597.34
  5. Step 5: Solve for x
    x = 1,358,755,232,597.34/1,372,200.20
  6. Step 6: Final answer
    x = 990,201.89

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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.