Home / 1,362,207.33-1,879,855.71-781,455.80

Finding the Fourth Proportional to 1,362,207.33, 1,879,855.71 and 781,455.80

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Solution

The fourth proportional to 1,362,207.33, 1,879,855.71 and 781,455.80 is: 1,078,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,207.33 : 1,879,855.71 = 781,455.80 : x
  2. Step 2: Convert to fraction form
    1,362,207.33/1,879,855.71 = 781,455.80/x
  3. Step 3: Cross multiply
    1,362,207.33x = 1,879,855.71 × 781,455.80
  4. Step 4: Simplify right side
    1,362,207.33x = 1,469,024,147,742.62
  5. Step 5: Solve for x
    x = 1,469,024,147,742.62/1,362,207.33
  6. Step 6: Final answer
    x = 1,078,414.51

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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.