Home / 1,208,321.60-1,812,741.60-366,958.40

Finding the Fourth Proportional to 1,208,321.60, 1,812,741.60 and 366,958.40

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Solution

The fourth proportional to 1,208,321.60, 1,812,741.60 and 366,958.40 is: 550,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,321.60 : 1,812,741.60 = 366,958.40 : x
  2. Step 2: Convert to fraction form
    1,208,321.60/1,812,741.60 = 366,958.40/x
  3. Step 3: Cross multiply
    1,208,321.60x = 1,812,741.60 × 366,958.40
  4. Step 4: Simplify right side
    1,208,321.60x = 665,200,757,149.44
  5. Step 5: Solve for x
    x = 665,200,757,149.44/1,208,321.60
  6. Step 6: Final answer
    x = 550,516.32

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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.