Home / 1,294,325.76-1,786,230.37-721,370.03

Finding the Fourth Proportional to 1,294,325.76, 1,786,230.37 and 721,370.03

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Solution

The fourth proportional to 1,294,325.76, 1,786,230.37 and 721,370.03 is: 995,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,325.76 : 1,786,230.37 = 721,370.03 : x
  2. Step 2: Convert to fraction form
    1,294,325.76/1,786,230.37 = 721,370.03/x
  3. Step 3: Cross multiply
    1,294,325.76x = 1,786,230.37 × 721,370.03
  4. Step 4: Simplify right side
    1,294,325.76x = 1,288,533,055,593.81
  5. Step 5: Solve for x
    x = 1,288,533,055,593.81/1,294,325.76
  6. Step 6: Final answer
    x = 995,524.54

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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.