Home / 1,058,953.07-1,589,081.52-419,147.88

Finding the Fourth Proportional to 1,058,953.07, 1,589,081.52 and 419,147.88

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Solution

The fourth proportional to 1,058,953.07, 1,589,081.52 and 419,147.88 is: 628,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,953.07 : 1,589,081.52 = 419,147.88 : x
  2. Step 2: Convert to fraction form
    1,058,953.07/1,589,081.52 = 419,147.88/x
  3. Step 3: Cross multiply
    1,058,953.07x = 1,589,081.52 × 419,147.88
  4. Step 4: Simplify right side
    1,058,953.07x = 666,060,150,255.18
  5. Step 5: Solve for x
    x = 666,060,150,255.18/1,058,953.07
  6. Step 6: Final answer
    x = 628,979.86

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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.