Home / 1,492,021.71-2,058,990.26-812,958.21

Finding the Fourth Proportional to 1,492,021.71, 2,058,990.26 and 812,958.21

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Solution

The fourth proportional to 1,492,021.71, 2,058,990.26 and 812,958.21 is: 1,121,882.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,021.71 : 2,058,990.26 = 812,958.21 : x
  2. Step 2: Convert to fraction form
    1,492,021.71/2,058,990.26 = 812,958.21/x
  3. Step 3: Cross multiply
    1,492,021.71x = 2,058,990.26 × 812,958.21
  4. Step 4: Simplify right side
    1,492,021.71x = 1,673,873,032,112.24
  5. Step 5: Solve for x
    x = 1,673,873,032,112.24/1,492,021.71
  6. Step 6: Final answer
    x = 1,121,882.49

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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.