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Finding the Fourth Proportional to 1,798,407, 2,698,942.01 and 851,780.52

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Solution

The fourth proportional to 1,798,407, 2,698,942.01 and 851,780.52 is: 1,278,301.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,407 : 2,698,942.01 = 851,780.52 : x
  2. Step 2: Convert to fraction form
    1,798,407/2,698,942.01 = 851,780.52/x
  3. Step 3: Cross multiply
    1,798,407x = 2,698,942.01 × 851,780.52
  4. Step 4: Simplify right side
    1,798,407x = 2,298,906,224,468.74
  5. Step 5: Solve for x
    x = 2,298,906,224,468.74/1,798,407
  6. Step 6: Final answer
    x = 1,278,301.42

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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.