Home / 1,119,828.64-1,680,442.80-454,980.64

Finding the Fourth Proportional to 1,119,828.64, 1,680,442.80 and 454,980.64

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Solution

The fourth proportional to 1,119,828.64, 1,680,442.80 and 454,980.64 is: 682,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,828.64 : 1,680,442.80 = 454,980.64 : x
  2. Step 2: Convert to fraction form
    1,119,828.64/1,680,442.80 = 454,980.64/x
  3. Step 3: Cross multiply
    1,119,828.64x = 1,680,442.80 × 454,980.64
  4. Step 4: Simplify right side
    1,119,828.64x = 764,568,940,627.39
  5. Step 5: Solve for x
    x = 764,568,940,627.39/1,119,828.64
  6. Step 6: Final answer
    x = 682,755.30

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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.