Home / 1,383,941.80-2,077,467.90-1,069,791.40

Finding the Fourth Proportional to 1,383,941.80, 2,077,467.90 and 1,069,791.40

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Solution

The fourth proportional to 1,383,941.80, 2,077,467.90 and 1,069,791.40 is: 1,605,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,941.80 : 2,077,467.90 = 1,069,791.40 : x
  2. Step 2: Convert to fraction form
    1,383,941.80/2,077,467.90 = 1,069,791.40/x
  3. Step 3: Cross multiply
    1,383,941.80x = 2,077,467.90 × 1,069,791.40
  4. Step 4: Simplify right side
    1,383,941.80x = 2,222,457,293,196.06
  5. Step 5: Solve for x
    x = 2,222,457,293,196.06/1,383,941.80
  6. Step 6: Final answer
    x = 1,605,889.27

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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.