Home / 1,313,147.00-1,812,282.38-769,739.51

Finding the Fourth Proportional to 1,313,147.00, 1,812,282.38 and 769,739.51

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Solution

The fourth proportional to 1,313,147.00, 1,812,282.38 and 769,739.51 is: 1,062,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,147.00 : 1,812,282.38 = 769,739.51 : x
  2. Step 2: Convert to fraction form
    1,313,147.00/1,812,282.38 = 769,739.51/x
  3. Step 3: Cross multiply
    1,313,147.00x = 1,812,282.38 × 769,739.51
  4. Step 4: Simplify right side
    1,313,147.00x = 1,394,985,338,252.72
  5. Step 5: Solve for x
    x = 1,394,985,338,252.72/1,313,147.00
  6. Step 6: Final answer
    x = 1,062,322.30

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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.