Home / 1,179,072.99-1,768,983.32-420,898.20

Finding the Fourth Proportional to 1,179,072.99, 1,768,983.32 and 420,898.20

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Solution

The fourth proportional to 1,179,072.99, 1,768,983.32 and 420,898.20 is: 631,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,072.99 : 1,768,983.32 = 420,898.20 : x
  2. Step 2: Convert to fraction form
    1,179,072.99/1,768,983.32 = 420,898.20/x
  3. Step 3: Cross multiply
    1,179,072.99x = 1,768,983.32 × 420,898.20
  4. Step 4: Simplify right side
    1,179,072.99x = 744,561,895,218.02
  5. Step 5: Solve for x
    x = 744,561,895,218.02/1,179,072.99
  6. Step 6: Final answer
    x = 631,480.75

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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.