Home / 1,198,783.39-1,798,175.10-488,866.81

Finding the Fourth Proportional to 1,198,783.39, 1,798,175.10 and 488,866.81

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Solution

The fourth proportional to 1,198,783.39, 1,798,175.10 and 488,866.81 is: 733,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,783.39 : 1,798,175.10 = 488,866.81 : x
  2. Step 2: Convert to fraction form
    1,198,783.39/1,798,175.10 = 488,866.81/x
  3. Step 3: Cross multiply
    1,198,783.39x = 1,798,175.10 × 488,866.81
  4. Step 4: Simplify right side
    1,198,783.39x = 879,068,124,958.43
  5. Step 5: Solve for x
    x = 879,068,124,958.43/1,198,783.39
  6. Step 6: Final answer
    x = 733,300.22

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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.