Home / 1,179,082.89-1,768,998.15-420,908.10

Finding the Fourth Proportional to 1,179,082.89, 1,768,998.15 and 420,908.10

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Solution

The fourth proportional to 1,179,082.89, 1,768,998.15 and 420,908.10 is: 631,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,082.89 : 1,768,998.15 = 420,908.10 : x
  2. Step 2: Convert to fraction form
    1,179,082.89/1,768,998.15 = 420,908.10/x
  3. Step 3: Cross multiply
    1,179,082.89x = 1,768,998.15 × 420,908.10
  4. Step 4: Simplify right side
    1,179,082.89x = 744,585,650,220.02
  5. Step 5: Solve for x
    x = 744,585,650,220.02/1,179,082.89
  6. Step 6: Final answer
    x = 631,495.59

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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.