Home / 1,403,097.58-2,103,992.09-728,997.66

Finding the Fourth Proportional to 1,403,097.58, 2,103,992.09 and 728,997.66

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Solution

The fourth proportional to 1,403,097.58, 2,103,992.09 and 728,997.66 is: 1,093,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,097.58 : 2,103,992.09 = 728,997.66 : x
  2. Step 2: Convert to fraction form
    1,403,097.58/2,103,992.09 = 728,997.66/x
  3. Step 3: Cross multiply
    1,403,097.58x = 2,103,992.09 × 728,997.66
  4. Step 4: Simplify right side
    1,403,097.58x = 1,533,805,310,268.51
  5. Step 5: Solve for x
    x = 1,533,805,310,268.51/1,403,097.58
  6. Step 6: Final answer
    x = 1,093,156.55

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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.