Home / 1,422,257.51-2,133,388.32-580,809.26

Finding the Fourth Proportional to 1,422,257.51, 2,133,388.32 and 580,809.26

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Solution

The fourth proportional to 1,422,257.51, 2,133,388.32 and 580,809.26 is: 871,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,257.51 : 2,133,388.32 = 580,809.26 : x
  2. Step 2: Convert to fraction form
    1,422,257.51/2,133,388.32 = 580,809.26/x
  3. Step 3: Cross multiply
    1,422,257.51x = 2,133,388.32 × 580,809.26
  4. Step 4: Simplify right side
    1,422,257.51x = 1,239,091,686,587.07
  5. Step 5: Solve for x
    x = 1,239,091,686,587.07/1,422,257.51
  6. Step 6: Final answer
    x = 871,214.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.