Home / 954,002.60-1,431,003.90-689,618.60

Finding the Fourth Proportional to 954,002.60, 1,431,003.90 and 689,618.60

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Solution

The fourth proportional to 954,002.60, 1,431,003.90 and 689,618.60 is: 1,034,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,002.60 : 1,431,003.90 = 689,618.60 : x
  2. Step 2: Convert to fraction form
    954,002.60/1,431,003.90 = 689,618.60/x
  3. Step 3: Cross multiply
    954,002.60x = 1,431,003.90 × 689,618.60
  4. Step 4: Simplify right side
    954,002.60x = 986,846,906,112.54
  5. Step 5: Solve for x
    x = 986,846,906,112.54/954,002.60
  6. Step 6: Final answer
    x = 1,034,427.90

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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.