Home / 1,288,550.10-1,777,985.76-744,736.49

Finding the Fourth Proportional to 1,288,550.10, 1,777,985.76 and 744,736.49

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Solution

The fourth proportional to 1,288,550.10, 1,777,985.76 and 744,736.49 is: 1,027,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,550.10 : 1,777,985.76 = 744,736.49 : x
  2. Step 2: Convert to fraction form
    1,288,550.10/1,777,985.76 = 744,736.49/x
  3. Step 3: Cross multiply
    1,288,550.10x = 1,777,985.76 × 744,736.49
  4. Step 4: Simplify right side
    1,288,550.10x = 1,324,130,861,558.77
  5. Step 5: Solve for x
    x = 1,324,130,861,558.77/1,288,550.10
  6. Step 6: Final answer
    x = 1,027,613.03

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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.