Home / 1,179,029.88-1,768,918.44-420,854.54

Finding the Fourth Proportional to 1,179,029.88, 1,768,918.44 and 420,854.54

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Solution

The fourth proportional to 1,179,029.88, 1,768,918.44 and 420,854.54 is: 631,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,029.88 : 1,768,918.44 = 420,854.54 : x
  2. Step 2: Convert to fraction form
    1,179,029.88/1,768,918.44 = 420,854.54/x
  3. Step 3: Cross multiply
    1,179,029.88x = 1,768,918.44 × 420,854.54
  4. Step 4: Simplify right side
    1,179,029.88x = 744,457,356,363.72
  5. Step 5: Solve for x
    x = 744,457,356,363.72/1,179,029.88
  6. Step 6: Final answer
    x = 631,415.17

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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.