Home / 1,288,664.34-1,778,252.74-744,835.35

Finding the Fourth Proportional to 1,288,664.34, 1,778,252.74 and 744,835.35

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Solution

The fourth proportional to 1,288,664.34, 1,778,252.74 and 744,835.35 is: 1,027,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,664.34 : 1,778,252.74 = 744,835.35 : x
  2. Step 2: Convert to fraction form
    1,288,664.34/1,778,252.74 = 744,835.35/x
  3. Step 3: Cross multiply
    1,288,664.34x = 1,778,252.74 × 744,835.35
  4. Step 4: Simplify right side
    1,288,664.34x = 1,324,505,496,790.05
  5. Step 5: Solve for x
    x = 1,324,505,496,790.05/1,288,664.34
  6. Step 6: Final answer
    x = 1,027,812.64

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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.