Home / 1,109,263.73-1,664,111.27-426,100.64

Finding the Fourth Proportional to 1,109,263.73, 1,664,111.27 and 426,100.64

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Solution

The fourth proportional to 1,109,263.73, 1,664,111.27 and 426,100.64 is: 639,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,263.73 : 1,664,111.27 = 426,100.64 : x
  2. Step 2: Convert to fraction form
    1,109,263.73/1,664,111.27 = 426,100.64/x
  3. Step 3: Cross multiply
    1,109,263.73x = 1,664,111.27 × 426,100.64
  4. Step 4: Simplify right side
    1,109,263.73x = 709,078,867,526.09
  5. Step 5: Solve for x
    x = 709,078,867,526.09/1,109,263.73
  6. Step 6: Final answer
    x = 639,233.80

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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.