Home / 1,434,496.98-1,979,618.74-789,919.76

Finding the Fourth Proportional to 1,434,496.98, 1,979,618.74 and 789,919.76

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Solution

The fourth proportional to 1,434,496.98, 1,979,618.74 and 789,919.76 is: 1,090,096.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,496.98 : 1,979,618.74 = 789,919.76 : x
  2. Step 2: Convert to fraction form
    1,434,496.98/1,979,618.74 = 789,919.76/x
  3. Step 3: Cross multiply
    1,434,496.98x = 1,979,618.74 × 789,919.76
  4. Step 4: Simplify right side
    1,434,496.98x = 1,563,739,959,992.30
  5. Step 5: Solve for x
    x = 1,563,739,959,992.30/1,434,496.98
  6. Step 6: Final answer
    x = 1,090,096.38

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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.