Home / 979,105.64-1,468,375.90-269,156.84

Finding the Fourth Proportional to 979,105.64, 1,468,375.90 and 269,156.84

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Solution

The fourth proportional to 979,105.64, 1,468,375.90 and 269,156.84 is: 403,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,105.64 : 1,468,375.90 = 269,156.84 : x
  2. Step 2: Convert to fraction form
    979,105.64/1,468,375.90 = 269,156.84/x
  3. Step 3: Cross multiply
    979,105.64x = 1,468,375.90 × 269,156.84
  4. Step 4: Simplify right side
    979,105.64x = 395,223,417,176.16
  5. Step 5: Solve for x
    x = 395,223,417,176.16/979,105.64
  6. Step 6: Final answer
    x = 403,657.58

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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.