Home / 741,719.20-1,114,911.60-727,722.40

Finding the Fourth Proportional to 741,719.20, 1,114,911.60 and 727,722.40

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Solution

The fourth proportional to 741,719.20, 1,114,911.60 and 727,722.40 is: 1,093,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,719.20 : 1,114,911.60 = 727,722.40 : x
  2. Step 2: Convert to fraction form
    741,719.20/1,114,911.60 = 727,722.40/x
  3. Step 3: Cross multiply
    741,719.20x = 1,114,911.60 × 727,722.40
  4. Step 4: Simplify right side
    741,719.20x = 811,346,145,339.84
  5. Step 5: Solve for x
    x = 811,346,145,339.84/741,719.20
  6. Step 6: Final answer
    x = 1,093,872.38

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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.