Home / 1,455,166.20-2,183,733.45-815,468.70

Finding the Fourth Proportional to 1,455,166.20, 2,183,733.45 and 815,468.70

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Solution

The fourth proportional to 1,455,166.20, 2,183,733.45 and 815,468.70 is: 1,223,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,166.20 : 2,183,733.45 = 815,468.70 : x
  2. Step 2: Convert to fraction form
    1,455,166.20/2,183,733.45 = 815,468.70/x
  3. Step 3: Cross multiply
    1,455,166.20x = 2,183,733.45 × 815,468.70
  4. Step 4: Simplify right side
    1,455,166.20x = 1,780,766,277,618.02
  5. Step 5: Solve for x
    x = 1,780,766,277,618.02/1,455,166.20
  6. Step 6: Final answer
    x = 1,223,754.56

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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.