Home / 1,345,858.91-1,857,212.33-765,001.43

Finding the Fourth Proportional to 1,345,858.91, 1,857,212.33 and 765,001.43

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Solution

The fourth proportional to 1,345,858.91, 1,857,212.33 and 765,001.43 is: 1,055,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,858.91 : 1,857,212.33 = 765,001.43 : x
  2. Step 2: Convert to fraction form
    1,345,858.91/1,857,212.33 = 765,001.43/x
  3. Step 3: Cross multiply
    1,345,858.91x = 1,857,212.33 × 765,001.43
  4. Step 4: Simplify right side
    1,345,858.91x = 1,420,770,075,152.56
  5. Step 5: Solve for x
    x = 1,420,770,075,152.56/1,345,858.91
  6. Step 6: Final answer
    x = 1,055,660.49

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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.