Home / 1,403,097.06-2,103,991.30-728,997.14

Finding the Fourth Proportional to 1,403,097.06, 2,103,991.30 and 728,997.14

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Solution

The fourth proportional to 1,403,097.06, 2,103,991.30 and 728,997.14 is: 1,093,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,097.06 : 2,103,991.30 = 728,997.14 : x
  2. Step 2: Convert to fraction form
    1,403,097.06/2,103,991.30 = 728,997.14/x
  3. Step 3: Cross multiply
    1,403,097.06x = 2,103,991.30 × 728,997.14
  4. Step 4: Simplify right side
    1,403,097.06x = 1,533,803,640,284.88
  5. Step 5: Solve for x
    x = 1,533,803,640,284.88/1,403,097.06
  6. Step 6: Final answer
    x = 1,093,155.77

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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.