Home / 1,119,341.09-1,544,745.51-629,464.78

Finding the Fourth Proportional to 1,119,341.09, 1,544,745.51 and 629,464.78

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Solution

The fourth proportional to 1,119,341.09, 1,544,745.51 and 629,464.78 is: 868,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,341.09 : 1,544,745.51 = 629,464.78 : x
  2. Step 2: Convert to fraction form
    1,119,341.09/1,544,745.51 = 629,464.78/x
  3. Step 3: Cross multiply
    1,119,341.09x = 1,544,745.51 × 629,464.78
  4. Step 4: Simplify right side
    1,119,341.09x = 972,362,892,608.14
  5. Step 5: Solve for x
    x = 972,362,892,608.14/1,119,341.09
  6. Step 6: Final answer
    x = 868,692.22

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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.