Home / 1,330,099.20-1,993,836.60-655,628.40

Finding the Fourth Proportional to 1,330,099.20, 1,993,836.60 and 655,628.40

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Solution

The fourth proportional to 1,330,099.20, 1,993,836.60 and 655,628.40 is: 982,795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,099.20 : 1,993,836.60 = 655,628.40 : x
  2. Step 2: Convert to fraction form
    1,330,099.20/1,993,836.60 = 655,628.40/x
  3. Step 3: Cross multiply
    1,330,099.20x = 1,993,836.60 × 655,628.40
  4. Step 4: Simplify right side
    1,330,099.20x = 1,307,215,899,919.44
  5. Step 5: Solve for x
    x = 1,307,215,899,919.44/1,330,099.20
  6. Step 6: Final answer
    x = 982,795.79

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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.