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Finding the Fourth Proportional to 1,798,749, 2,698,059 and 450,922.68

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Solution

The fourth proportional to 1,798,749, 2,698,059 and 450,922.68 is: 676,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,749 : 2,698,059 = 450,922.68 : x
  2. Step 2: Convert to fraction form
    1,798,749/2,698,059 = 450,922.68/x
  3. Step 3: Cross multiply
    1,798,749x = 2,698,059 × 450,922.68
  4. Step 4: Simplify right side
    1,798,749x = 1,216,615,995,078.12
  5. Step 5: Solve for x
    x = 1,216,615,995,078.12/1,798,749
  6. Step 6: Final answer
    x = 676,367.85

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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.