Home / 1,224,161.91-1,687,563.05-855,494.46

Finding the Fourth Proportional to 1,224,161.91, 1,687,563.05 and 855,494.46

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Solution

The fourth proportional to 1,224,161.91, 1,687,563.05 and 855,494.46 is: 1,179,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,161.91 : 1,687,563.05 = 855,494.46 : x
  2. Step 2: Convert to fraction form
    1,224,161.91/1,687,563.05 = 855,494.46/x
  3. Step 3: Cross multiply
    1,224,161.91x = 1,687,563.05 × 855,494.46
  4. Step 4: Simplify right side
    1,224,161.91x = 1,443,700,835,898.23
  5. Step 5: Solve for x
    x = 1,443,700,835,898.23/1,224,161.91
  6. Step 6: Final answer
    x = 1,179,338.14

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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.