Home / 1,798,407.25-2,698,942.38-851,780.77

Finding the Fourth Proportional to 1,798,407.25, 2,698,942.38 and 851,780.77

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Solution

The fourth proportional to 1,798,407.25, 2,698,942.38 and 851,780.77 is: 1,278,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,407.25 : 2,698,942.38 = 851,780.77 : x
  2. Step 2: Convert to fraction form
    1,798,407.25/2,698,942.38 = 851,780.77/x
  3. Step 3: Cross multiply
    1,798,407.25x = 2,698,942.38 × 851,780.77
  4. Step 4: Simplify right side
    1,798,407.25x = 2,298,907,218,622.03
  5. Step 5: Solve for x
    x = 2,298,907,218,622.03/1,798,407.25
  6. Step 6: Final answer
    x = 1,278,301.80

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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.