Home / 1,580,370.85-2,180,911.73-855,218.56

Finding the Fourth Proportional to 1,580,370.85, 2,180,911.73 and 855,218.56

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Solution

The fourth proportional to 1,580,370.85, 2,180,911.73 and 855,218.56 is: 1,180,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,370.85 : 2,180,911.73 = 855,218.56 : x
  2. Step 2: Convert to fraction form
    1,580,370.85/2,180,911.73 = 855,218.56/x
  3. Step 3: Cross multiply
    1,580,370.85x = 2,180,911.73 × 855,218.56
  4. Step 4: Simplify right side
    1,580,370.85x = 1,865,156,179,489.34
  5. Step 5: Solve for x
    x = 1,865,156,179,489.34/1,580,370.85
  6. Step 6: Final answer
    x = 1,180,201.59

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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.