Home / 945,946.20-1,416,845.70-821,530.20

Finding the Fourth Proportional to 945,946.20, 1,416,845.70 and 821,530.20

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Solution

The fourth proportional to 945,946.20, 1,416,845.70 and 821,530.20 is: 1,230,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,946.20 : 1,416,845.70 = 821,530.20 : x
  2. Step 2: Convert to fraction form
    945,946.20/1,416,845.70 = 821,530.20/x
  3. Step 3: Cross multiply
    945,946.20x = 1,416,845.70 × 821,530.20
  4. Step 4: Simplify right side
    945,946.20x = 1,163,981,531,290.14
  5. Step 5: Solve for x
    x = 1,163,981,531,290.14/945,946.20
  6. Step 6: Final answer
    x = 1,230,494.43

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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.