Home / 1,324,844-1,828,289.04-721,236.32

Finding the Fourth Proportional to 1,324,844, 1,828,289.04 and 721,236.32

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Solution

The fourth proportional to 1,324,844, 1,828,289.04 and 721,236.32 is: 995,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,844 : 1,828,289.04 = 721,236.32 : x
  2. Step 2: Convert to fraction form
    1,324,844/1,828,289.04 = 721,236.32/x
  3. Step 3: Cross multiply
    1,324,844x = 1,828,289.04 × 721,236.32
  4. Step 4: Simplify right side
    1,324,844x = 1,318,628,459,105.93
  5. Step 5: Solve for x
    x = 1,318,628,459,105.93/1,324,844
  6. Step 6: Final answer
    x = 995,308.47

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1.5x scale

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.