Home / 1,058,832.06-1,588,544.58-428,188.74

Finding the Fourth Proportional to 1,058,832.06, 1,588,544.58 and 428,188.74

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Solution

The fourth proportional to 1,058,832.06, 1,588,544.58 and 428,188.74 is: 642,403.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,832.06 : 1,588,544.58 = 428,188.74 : x
  2. Step 2: Convert to fraction form
    1,058,832.06/1,588,544.58 = 428,188.74/x
  3. Step 3: Cross multiply
    1,058,832.06x = 1,588,544.58 × 428,188.74
  4. Step 4: Simplify right side
    1,058,832.06x = 680,196,902,144.03
  5. Step 5: Solve for x
    x = 680,196,902,144.03/1,058,832.06
  6. Step 6: Final answer
    x = 642,403.01

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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.