Home / 1,638,255.37-2,260,802.91-913,149.07

Finding the Fourth Proportional to 1,638,255.37, 2,260,802.91 and 913,149.07

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Solution

The fourth proportional to 1,638,255.37, 2,260,802.91 and 913,149.07 is: 1,260,151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,255.37 : 2,260,802.91 = 913,149.07 : x
  2. Step 2: Convert to fraction form
    1,638,255.37/2,260,802.91 = 913,149.07/x
  3. Step 3: Cross multiply
    1,638,255.37x = 2,260,802.91 × 913,149.07
  4. Step 4: Simplify right side
    1,638,255.37x = 2,064,450,058,850.03
  5. Step 5: Solve for x
    x = 2,064,450,058,850.03/1,638,255.37
  6. Step 6: Final answer
    x = 1,260,151.56

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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.