Home / 1,320,438.96-1,822,249.44-747,467.28

Finding the Fourth Proportional to 1,320,438.96, 1,822,249.44 and 747,467.28

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Solution

The fourth proportional to 1,320,438.96, 1,822,249.44 and 747,467.28 is: 1,031,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,438.96 : 1,822,249.44 = 747,467.28 : x
  2. Step 2: Convert to fraction form
    1,320,438.96/1,822,249.44 = 747,467.28/x
  3. Step 3: Cross multiply
    1,320,438.96x = 1,822,249.44 × 747,467.28
  4. Step 4: Simplify right side
    1,320,438.96x = 1,362,071,832,398.32
  5. Step 5: Solve for x
    x = 1,362,071,832,398.32/1,320,438.96
  6. Step 6: Final answer
    x = 1,031,529.57

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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.