Home / 1,166,429.50-1,749,644.25-279,965.50

Finding the Fourth Proportional to 1,166,429.50, 1,749,644.25 and 279,965.50

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Solution

The fourth proportional to 1,166,429.50, 1,749,644.25 and 279,965.50 is: 419,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,429.50 : 1,749,644.25 = 279,965.50 : x
  2. Step 2: Convert to fraction form
    1,166,429.50/1,749,644.25 = 279,965.50/x
  3. Step 3: Cross multiply
    1,166,429.50x = 1,749,644.25 × 279,965.50
  4. Step 4: Simplify right side
    1,166,429.50x = 489,840,027,273.38
  5. Step 5: Solve for x
    x = 489,840,027,273.38/1,166,429.50
  6. Step 6: Final answer
    x = 419,948.25

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Double scale
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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.