Home / 1,384,403.64-1,910,477.40-764,209.14

Finding the Fourth Proportional to 1,384,403.64, 1,910,477.40 and 764,209.14

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Solution

The fourth proportional to 1,384,403.64, 1,910,477.40 and 764,209.14 is: 1,054,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,403.64 : 1,910,477.40 = 764,209.14 : x
  2. Step 2: Convert to fraction form
    1,384,403.64/1,910,477.40 = 764,209.14/x
  3. Step 3: Cross multiply
    1,384,403.64x = 1,910,477.40 × 764,209.14
  4. Step 4: Simplify right side
    1,384,403.64x = 1,460,004,290,843.44
  5. Step 5: Solve for x
    x = 1,460,004,290,843.44/1,384,403.64
  6. Step 6: Final answer
    x = 1,054,608.82

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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.