Home / 1,265,998.48-1,907,884.26-1,139,764.84

Finding the Fourth Proportional to 1,265,998.48, 1,907,884.26 and 1,139,764.84

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Solution

The fourth proportional to 1,265,998.48, 1,907,884.26 and 1,139,764.84 is: 1,717,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,998.48 : 1,907,884.26 = 1,139,764.84 : x
  2. Step 2: Convert to fraction form
    1,265,998.48/1,907,884.26 = 1,139,764.84/x
  3. Step 3: Cross multiply
    1,265,998.48x = 1,907,884.26 × 1,139,764.84
  4. Step 4: Simplify right side
    1,265,998.48x = 2,174,539,392,638.59
  5. Step 5: Solve for x
    x = 2,174,539,392,638.59/1,265,998.48
  6. Step 6: Final answer
    x = 1,717,647.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.