Home / 1,408,628.14-1,943,892.54-764,034.49

Finding the Fourth Proportional to 1,408,628.14, 1,943,892.54 and 764,034.49

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Solution

The fourth proportional to 1,408,628.14, 1,943,892.54 and 764,034.49 is: 1,054,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,628.14 : 1,943,892.54 = 764,034.49 : x
  2. Step 2: Convert to fraction form
    1,408,628.14/1,943,892.54 = 764,034.49/x
  3. Step 3: Cross multiply
    1,408,628.14x = 1,943,892.54 × 764,034.49
  4. Step 4: Simplify right side
    1,408,628.14x = 1,485,200,945,413.70
  5. Step 5: Solve for x
    x = 1,485,200,945,413.70/1,408,628.14
  6. Step 6: Final answer
    x = 1,054,359.84

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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.