Home / 1,324,486.20-1,984,688.10-985,938.60

Finding the Fourth Proportional to 1,324,486.20, 1,984,688.10 and 985,938.60

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Solution

The fourth proportional to 1,324,486.20, 1,984,688.10 and 985,938.60 is: 1,477,388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,486.20 : 1,984,688.10 = 985,938.60 : x
  2. Step 2: Convert to fraction form
    1,324,486.20/1,984,688.10 = 985,938.60/x
  3. Step 3: Cross multiply
    1,324,486.20x = 1,984,688.10 × 985,938.60
  4. Step 4: Simplify right side
    1,324,486.20x = 1,956,780,606,750.66
  5. Step 5: Solve for x
    x = 1,956,780,606,750.66/1,324,486.20
  6. Step 6: Final answer
    x = 1,477,388.44

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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.