Home / 1,905,425.83-2,629,419.53-1,078,481.64

Finding the Fourth Proportional to 1,905,425.83, 2,629,419.53 and 1,078,481.64

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Solution

The fourth proportional to 1,905,425.83, 2,629,419.53 and 1,078,481.64 is: 1,488,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,425.83 : 2,629,419.53 = 1,078,481.64 : x
  2. Step 2: Convert to fraction form
    1,905,425.83/2,629,419.53 = 1,078,481.64/x
  3. Step 3: Cross multiply
    1,905,425.83x = 2,629,419.53 × 1,078,481.64
  4. Step 4: Simplify right side
    1,905,425.83x = 2,835,780,668,422.92
  5. Step 5: Solve for x
    x = 2,835,780,668,422.92/1,905,425.83
  6. Step 6: Final answer
    x = 1,488,266.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.