Home / 1,368,397.39-1,888,383.66-764,785.39

Finding the Fourth Proportional to 1,368,397.39, 1,888,383.66 and 764,785.39

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Solution

The fourth proportional to 1,368,397.39, 1,888,383.66 and 764,785.39 is: 1,055,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,397.39 : 1,888,383.66 = 764,785.39 : x
  2. Step 2: Convert to fraction form
    1,368,397.39/1,888,383.66 = 764,785.39/x
  3. Step 3: Cross multiply
    1,368,397.39x = 1,888,383.66 × 764,785.39
  4. Step 4: Simplify right side
    1,368,397.39x = 1,444,208,233,882.73
  5. Step 5: Solve for x
    x = 1,444,208,233,882.73/1,368,397.39
  6. Step 6: Final answer
    x = 1,055,401.19

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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.