Home / 1,408,935.41-1,944,331.64-764,355.54

Finding the Fourth Proportional to 1,408,935.41, 1,944,331.64 and 764,355.54

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Solution

The fourth proportional to 1,408,935.41, 1,944,331.64 and 764,355.54 is: 1,054,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,935.41 : 1,944,331.64 = 764,355.54 : x
  2. Step 2: Convert to fraction form
    1,408,935.41/1,944,331.64 = 764,355.54/x
  3. Step 3: Cross multiply
    1,408,935.41x = 1,944,331.64 × 764,355.54
  4. Step 4: Simplify right side
    1,408,935.41x = 1,486,160,660,329.72
  5. Step 5: Solve for x
    x = 1,486,160,660,329.72/1,408,935.41
  6. Step 6: Final answer
    x = 1,054,811.06

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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.