Home / 1,448,435.06-1,998,873.23-803,896.78

Finding the Fourth Proportional to 1,448,435.06, 1,998,873.23 and 803,896.78

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Solution

The fourth proportional to 1,448,435.06, 1,998,873.23 and 803,896.78 is: 1,109,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,435.06 : 1,998,873.23 = 803,896.78 : x
  2. Step 2: Convert to fraction form
    1,448,435.06/1,998,873.23 = 803,896.78/x
  3. Step 3: Cross multiply
    1,448,435.06x = 1,998,873.23 × 803,896.78
  4. Step 4: Simplify right side
    1,448,435.06x = 1,606,887,750,247.99
  5. Step 5: Solve for x
    x = 1,606,887,750,247.99/1,448,435.06
  6. Step 6: Final answer
    x = 1,109,395.78

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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.