Home / 1,426,027.88-1,967,918.49-781,473.44

Finding the Fourth Proportional to 1,426,027.88, 1,967,918.49 and 781,473.44

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Solution

The fourth proportional to 1,426,027.88, 1,967,918.49 and 781,473.44 is: 1,078,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,027.88 : 1,967,918.49 = 781,473.44 : x
  2. Step 2: Convert to fraction form
    1,426,027.88/1,967,918.49 = 781,473.44/x
  3. Step 3: Cross multiply
    1,426,027.88x = 1,967,918.49 × 781,473.44
  4. Step 4: Simplify right side
    1,426,027.88x = 1,537,876,022,180.31
  5. Step 5: Solve for x
    x = 1,537,876,022,180.31/1,426,027.88
  6. Step 6: Final answer
    x = 1,078,433.35

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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.