Home / 1,119,825.63-1,680,435.09-454,977.63

Finding the Fourth Proportional to 1,119,825.63, 1,680,435.09 and 454,977.63

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Solution

The fourth proportional to 1,119,825.63, 1,680,435.09 and 454,977.63 is: 682,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,825.63 : 1,680,435.09 = 454,977.63 : x
  2. Step 2: Convert to fraction form
    1,119,825.63/1,680,435.09 = 454,977.63/x
  3. Step 3: Cross multiply
    1,119,825.63x = 1,680,435.09 × 454,977.63
  4. Step 4: Simplify right side
    1,119,825.63x = 764,560,374,617.04
  5. Step 5: Solve for x
    x = 764,560,374,617.04/1,119,825.63
  6. Step 6: Final answer
    x = 682,749.49

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Double scale
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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.