Home / 1,492,015.86-2,058,982.20-812,952.36

Finding the Fourth Proportional to 1,492,015.86, 2,058,982.20 and 812,952.36

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Solution

The fourth proportional to 1,492,015.86, 2,058,982.20 and 812,952.36 is: 1,121,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,015.86 : 2,058,982.20 = 812,952.36 : x
  2. Step 2: Convert to fraction form
    1,492,015.86/2,058,982.20 = 812,952.36/x
  3. Step 3: Cross multiply
    1,492,015.86x = 2,058,982.20 × 812,952.36
  4. Step 4: Simplify right side
    1,492,015.86x = 1,673,854,438,687.99
  5. Step 5: Solve for x
    x = 1,673,854,438,687.99/1,492,015.86
  6. Step 6: Final answer
    x = 1,121,874.43

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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.