Home / 1,007,538.06-1,388,933.67-765,400.27

Finding the Fourth Proportional to 1,007,538.06, 1,388,933.67 and 765,400.27

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Solution

The fourth proportional to 1,007,538.06, 1,388,933.67 and 765,400.27 is: 1,055,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,538.06 : 1,388,933.67 = 765,400.27 : x
  2. Step 2: Convert to fraction form
    1,007,538.06/1,388,933.67 = 765,400.27/x
  3. Step 3: Cross multiply
    1,007,538.06x = 1,388,933.67 × 765,400.27
  4. Step 4: Simplify right side
    1,007,538.06x = 1,063,090,206,030.09
  5. Step 5: Solve for x
    x = 1,063,090,206,030.09/1,007,538.06
  6. Step 6: Final answer
    x = 1,055,136.52

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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.