Home / 1,755,109.63-2,632,664.44-425,413.63

Finding the Fourth Proportional to 1,755,109.63, 2,632,664.44 and 425,413.63

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Solution

The fourth proportional to 1,755,109.63, 2,632,664.44 and 425,413.63 is: 638,120.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,109.63 : 2,632,664.44 = 425,413.63 : x
  2. Step 2: Convert to fraction form
    1,755,109.63/2,632,664.44 = 425,413.63/x
  3. Step 3: Cross multiply
    1,755,109.63x = 2,632,664.44 × 425,413.63
  4. Step 4: Simplify right side
    1,755,109.63x = 1,119,971,322,828.99
  5. Step 5: Solve for x
    x = 1,119,971,322,828.99/1,755,109.63
  6. Step 6: Final answer
    x = 638,120.44

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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.