Home / 1,200,573.60-1,797,812.28-720,499.20

Finding the Fourth Proportional to 1,200,573.60, 1,797,812.28 and 720,499.20

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Solution

The fourth proportional to 1,200,573.60, 1,797,812.28 and 720,499.20 is: 1,078,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,573.60 : 1,797,812.28 = 720,499.20 : x
  2. Step 2: Convert to fraction form
    1,200,573.60/1,797,812.28 = 720,499.20/x
  3. Step 3: Cross multiply
    1,200,573.60x = 1,797,812.28 × 720,499.20
  4. Step 4: Simplify right side
    1,200,573.60x = 1,295,322,309,490.18
  5. Step 5: Solve for x
    x = 1,295,322,309,490.18/1,200,573.60
  6. Step 6: Final answer
    x = 1,078,919.53

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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.