Home / 1,434,388.98-1,979,500.36-789,832.24

Finding the Fourth Proportional to 1,434,388.98, 1,979,500.36 and 789,832.24

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Solution

The fourth proportional to 1,434,388.98, 1,979,500.36 and 789,832.24 is: 1,089,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,388.98 : 1,979,500.36 = 789,832.24 : x
  2. Step 2: Convert to fraction form
    1,434,388.98/1,979,500.36 = 789,832.24/x
  3. Step 3: Cross multiply
    1,434,388.98x = 1,979,500.36 × 789,832.24
  4. Step 4: Simplify right side
    1,434,388.98x = 1,563,473,203,419.61
  5. Step 5: Solve for x
    x = 1,563,473,203,419.61/1,434,388.98
  6. Step 6: Final answer
    x = 1,089,992.48

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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.