Home / 1,384,662.90-1,910,835.72-764,468.58

Finding the Fourth Proportional to 1,384,662.90, 1,910,835.72 and 764,468.58

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Solution

The fourth proportional to 1,384,662.90, 1,910,835.72 and 764,468.58 is: 1,054,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,662.90 : 1,910,835.72 = 764,468.58 : x
  2. Step 2: Convert to fraction form
    1,384,662.90/1,910,835.72 = 764,468.58/x
  3. Step 3: Cross multiply
    1,384,662.90x = 1,910,835.72 × 764,468.58
  4. Step 4: Simplify right side
    1,384,662.90x = 1,460,773,869,481.68
  5. Step 5: Solve for x
    x = 1,460,773,869,481.68/1,384,662.90
  6. Step 6: Final answer
    x = 1,054,967.15

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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.