Home / 1,425,467.96-1,967,168.09-780,845.60

Finding the Fourth Proportional to 1,425,467.96, 1,967,168.09 and 780,845.60

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Solution

The fourth proportional to 1,425,467.96, 1,967,168.09 and 780,845.60 is: 1,077,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,467.96 : 1,967,168.09 = 780,845.60 : x
  2. Step 2: Convert to fraction form
    1,425,467.96/1,967,168.09 = 780,845.60/x
  3. Step 3: Cross multiply
    1,425,467.96x = 1,967,168.09 × 780,845.60
  4. Step 4: Simplify right side
    1,425,467.96x = 1,536,054,533,796.84
  5. Step 5: Solve for x
    x = 1,536,054,533,796.84/1,425,467.96
  6. Step 6: Final answer
    x = 1,077,579.14

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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.