Home / 982,611.60-1,470,418.20-681,680.40

Finding the Fourth Proportional to 982,611.60, 1,470,418.20 and 681,680.40

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Solution

The fourth proportional to 982,611.60, 1,470,418.20 and 681,680.40 is: 1,020,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,611.60 : 1,470,418.20 = 681,680.40 : x
  2. Step 2: Convert to fraction form
    982,611.60/1,470,418.20 = 681,680.40/x
  3. Step 3: Cross multiply
    982,611.60x = 1,470,418.20 × 681,680.40
  4. Step 4: Simplify right side
    982,611.60x = 1,002,355,266,743.28
  5. Step 5: Solve for x
    x = 1,002,355,266,743.28/982,611.60
  6. Step 6: Final answer
    x = 1,020,093.05

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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.