Home / 1,237,103.89-1,855,588.39-338,480.80

Finding the Fourth Proportional to 1,237,103.89, 1,855,588.39 and 338,480.80

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Solution

The fourth proportional to 1,237,103.89, 1,855,588.39 and 338,480.80 is: 507,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,103.89 : 1,855,588.39 = 338,480.80 : x
  2. Step 2: Convert to fraction form
    1,237,103.89/1,855,588.39 = 338,480.80/x
  3. Step 3: Cross multiply
    1,237,103.89x = 1,855,588.39 × 338,480.80
  4. Step 4: Simplify right side
    1,237,103.89x = 628,081,042,717.91
  5. Step 5: Solve for x
    x = 628,081,042,717.91/1,237,103.89
  6. Step 6: Final answer
    x = 507,702.75

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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.