Home / 1,412,662.45-1,949,460.47-768,082.64

Finding the Fourth Proportional to 1,412,662.45, 1,949,460.47 and 768,082.64

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Solution

The fourth proportional to 1,412,662.45, 1,949,460.47 and 768,082.64 is: 1,059,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,662.45 : 1,949,460.47 = 768,082.64 : x
  2. Step 2: Convert to fraction form
    1,412,662.45/1,949,460.47 = 768,082.64/x
  3. Step 3: Cross multiply
    1,412,662.45x = 1,949,460.47 × 768,082.64
  4. Step 4: Simplify right side
    1,412,662.45x = 1,497,346,736,546.15
  5. Step 5: Solve for x
    x = 1,497,346,736,546.15/1,412,662.45
  6. Step 6: Final answer
    x = 1,059,946.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.