Home / 1,408,645.44-1,943,919.36-764,064

Finding the Fourth Proportional to 1,408,645.44, 1,943,919.36 and 764,064

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Solution

The fourth proportional to 1,408,645.44, 1,943,919.36 and 764,064 is: 1,054,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,645.44 : 1,943,919.36 = 764,064 : x
  2. Step 2: Convert to fraction form
    1,408,645.44/1,943,919.36 = 764,064/x
  3. Step 3: Cross multiply
    1,408,645.44x = 1,943,919.36 × 764,064
  4. Step 4: Simplify right side
    1,408,645.44x = 1,485,278,801,879.04
  5. Step 5: Solve for x
    x = 1,485,278,801,879.04/1,408,645.44
  6. Step 6: Final answer
    x = 1,054,402.17

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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.