Home / 1,330,695.20-1,996,334.40-657,099.20

Finding the Fourth Proportional to 1,330,695.20, 1,996,334.40 and 657,099.20

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Solution

The fourth proportional to 1,330,695.20, 1,996,334.40 and 657,099.20 is: 985,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,695.20 : 1,996,334.40 = 657,099.20 : x
  2. Step 2: Convert to fraction form
    1,330,695.20/1,996,334.40 = 657,099.20/x
  3. Step 3: Cross multiply
    1,330,695.20x = 1,996,334.40 × 657,099.20
  4. Step 4: Simplify right side
    1,330,695.20x = 1,311,789,737,172.48
  5. Step 5: Solve for x
    x = 1,311,789,737,172.48/1,330,695.20
  6. Step 6: Final answer
    x = 985,792.79

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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.