Home / 1,408,980.58-1,944,396.92-764,400.75

Finding the Fourth Proportional to 1,408,980.58, 1,944,396.92 and 764,400.75

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Solution

The fourth proportional to 1,408,980.58, 1,944,396.92 and 764,400.75 is: 1,054,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,980.58 : 1,944,396.92 = 764,400.75 : x
  2. Step 2: Convert to fraction form
    1,408,980.58/1,944,396.92 = 764,400.75/x
  3. Step 3: Cross multiply
    1,408,980.58x = 1,944,396.92 × 764,400.75
  4. Step 4: Simplify right side
    1,408,980.58x = 1,486,298,465,202.68
  5. Step 5: Solve for x
    x = 1,486,298,465,202.68/1,408,980.58
  6. Step 6: Final answer
    x = 1,054,875.06

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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.