Home / 1,448,742.28-1,999,164.28-804,111.73

Finding the Fourth Proportional to 1,448,742.28, 1,999,164.28 and 804,111.73

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Solution

The fourth proportional to 1,448,742.28, 1,999,164.28 and 804,111.73 is: 1,109,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,742.28 : 1,999,164.28 = 804,111.73 : x
  2. Step 2: Convert to fraction form
    1,448,742.28/1,999,164.28 = 804,111.73/x
  3. Step 3: Cross multiply
    1,448,742.28x = 1,999,164.28 × 804,111.73
  4. Step 4: Simplify right side
    1,448,742.28x = 1,607,551,440,736.81
  5. Step 5: Solve for x
    x = 1,607,551,440,736.81/1,448,742.28
  6. Step 6: Final answer
    x = 1,109,618.64

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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.