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Finding the Fourth Proportional to 1,143,801, 1,715,701.50 and 395,847

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Solution

The fourth proportional to 1,143,801, 1,715,701.50 and 395,847 is: 593,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,801 : 1,715,701.50 = 395,847 : x
  2. Step 2: Convert to fraction form
    1,143,801/1,715,701.50 = 395,847/x
  3. Step 3: Cross multiply
    1,143,801x = 1,715,701.50 × 395,847
  4. Step 4: Simplify right side
    1,143,801x = 679,155,291,670.50
  5. Step 5: Solve for x
    x = 679,155,291,670.50/1,143,801
  6. Step 6: Final answer
    x = 593,770.50

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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.