Home / 1,905,287.90-2,629,301.06-1,131,074.03

Finding the Fourth Proportional to 1,905,287.90, 2,629,301.06 and 1,131,074.03

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Solution

The fourth proportional to 1,905,287.90, 2,629,301.06 and 1,131,074.03 is: 1,560,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,287.90 : 2,629,301.06 = 1,131,074.03 : x
  2. Step 2: Convert to fraction form
    1,905,287.90/2,629,301.06 = 1,131,074.03/x
  3. Step 3: Cross multiply
    1,905,287.90x = 2,629,301.06 × 1,131,074.03
  4. Step 4: Simplify right side
    1,905,287.90x = 2,973,934,134,266.30
  5. Step 5: Solve for x
    x = 2,973,934,134,266.30/1,905,287.90
  6. Step 6: Final answer
    x = 1,560,884.39

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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.