Home / 1,580,139.94-2,180,876.97-892,021.54

Finding the Fourth Proportional to 1,580,139.94, 2,180,876.97 and 892,021.54

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Solution

The fourth proportional to 1,580,139.94, 2,180,876.97 and 892,021.54 is: 1,231,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,139.94 : 2,180,876.97 = 892,021.54 : x
  2. Step 2: Convert to fraction form
    1,580,139.94/2,180,876.97 = 892,021.54/x
  3. Step 3: Cross multiply
    1,580,139.94x = 2,180,876.97 × 892,021.54
  4. Step 4: Simplify right side
    1,580,139.94x = 1,945,389,233,329.93
  5. Step 5: Solve for x
    x = 1,945,389,233,329.93/1,580,139.94
  6. Step 6: Final answer
    x = 1,231,149.97

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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.