Home / 1,638,914.70-2,458,284.39-501,677.45

Finding the Fourth Proportional to 1,638,914.70, 2,458,284.39 and 501,677.45

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Solution

The fourth proportional to 1,638,914.70, 2,458,284.39 and 501,677.45 is: 752,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,914.70 : 2,458,284.39 = 501,677.45 : x
  2. Step 2: Convert to fraction form
    1,638,914.70/2,458,284.39 = 501,677.45/x
  3. Step 3: Cross multiply
    1,638,914.70x = 2,458,284.39 × 501,677.45
  4. Step 4: Simplify right side
    1,638,914.70x = 1,233,265,831,858.58
  5. Step 5: Solve for x
    x = 1,233,265,831,858.58/1,638,914.70
  6. Step 6: Final answer
    x = 752,489.33

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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.