Home / 1,492,019.88-2,058,987.72-812,956.36

Finding the Fourth Proportional to 1,492,019.88, 2,058,987.72 and 812,956.36

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Solution

The fourth proportional to 1,492,019.88, 2,058,987.72 and 812,956.36 is: 1,121,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,019.88 : 2,058,987.72 = 812,956.36 : x
  2. Step 2: Convert to fraction form
    1,492,019.88/2,058,987.72 = 812,956.36/x
  3. Step 3: Cross multiply
    1,492,019.88x = 2,058,987.72 × 812,956.36
  4. Step 4: Simplify right side
    1,492,019.88x = 1,673,867,162,135.90
  5. Step 5: Solve for x
    x = 1,673,867,162,135.90/1,492,019.88
  6. Step 6: Final answer
    x = 1,121,879.93

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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.