Home / 1,384,397.33-1,910,468.39-764,202.66

Finding the Fourth Proportional to 1,384,397.33, 1,910,468.39 and 764,202.66

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Solution

The fourth proportional to 1,384,397.33, 1,910,468.39 and 764,202.66 is: 1,054,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,397.33 : 1,910,468.39 = 764,202.66 : x
  2. Step 2: Convert to fraction form
    1,384,397.33/1,910,468.39 = 764,202.66/x
  3. Step 3: Cross multiply
    1,384,397.33x = 1,910,468.39 × 764,202.66
  4. Step 4: Simplify right side
    1,384,397.33x = 1,459,985,021,662.90
  5. Step 5: Solve for x
    x = 1,459,985,021,662.90/1,384,397.33
  6. Step 6: Final answer
    x = 1,054,599.71

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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.