Home / 1,198,784.39-1,798,176.60-488,867.81

Finding the Fourth Proportional to 1,198,784.39, 1,798,176.60 and 488,867.81

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Solution

The fourth proportional to 1,198,784.39, 1,798,176.60 and 488,867.81 is: 733,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,784.39 : 1,798,176.60 = 488,867.81 : x
  2. Step 2: Convert to fraction form
    1,198,784.39/1,798,176.60 = 488,867.81/x
  3. Step 3: Cross multiply
    1,198,784.39x = 1,798,176.60 × 488,867.81
  4. Step 4: Simplify right side
    1,198,784.39x = 879,070,656,435.25
  5. Step 5: Solve for x
    x = 879,070,656,435.25/1,198,784.39
  6. Step 6: Final answer
    x = 733,301.72

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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.