Home / 1,408,983.25-1,944,400.57-764,403.44

Finding the Fourth Proportional to 1,408,983.25, 1,944,400.57 and 764,403.44

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Solution

The fourth proportional to 1,408,983.25, 1,944,400.57 and 764,403.44 is: 1,054,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,983.25 : 1,944,400.57 = 764,403.44 : x
  2. Step 2: Convert to fraction form
    1,408,983.25/1,944,400.57 = 764,403.44/x
  3. Step 3: Cross multiply
    1,408,983.25x = 1,944,400.57 × 764,403.44
  4. Step 4: Simplify right side
    1,408,983.25x = 1,486,306,477,206.67
  5. Step 5: Solve for x
    x = 1,486,306,477,206.67/1,408,983.25
  6. Step 6: Final answer
    x = 1,054,878.74

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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.