Home / 1,078,994.16-1,618,490.70-320,832.36

Finding the Fourth Proportional to 1,078,994.16, 1,618,490.70 and 320,832.36

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Solution

The fourth proportional to 1,078,994.16, 1,618,490.70 and 320,832.36 is: 481,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,994.16 : 1,618,490.70 = 320,832.36 : x
  2. Step 2: Convert to fraction form
    1,078,994.16/1,618,490.70 = 320,832.36/x
  3. Step 3: Cross multiply
    1,078,994.16x = 1,618,490.70 × 320,832.36
  4. Step 4: Simplify right side
    1,078,994.16x = 519,264,190,919.05
  5. Step 5: Solve for x
    x = 519,264,190,919.05/1,078,994.16
  6. Step 6: Final answer
    x = 481,248.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.