Home / 1,268,928.64-1,902,790.32-736,612.96

Finding the Fourth Proportional to 1,268,928.64, 1,902,790.32 and 736,612.96

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Solution

The fourth proportional to 1,268,928.64, 1,902,790.32 and 736,612.96 is: 1,104,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,928.64 : 1,902,790.32 = 736,612.96 : x
  2. Step 2: Convert to fraction form
    1,268,928.64/1,902,790.32 = 736,612.96/x
  3. Step 3: Cross multiply
    1,268,928.64x = 1,902,790.32 × 736,612.96
  4. Step 4: Simplify right side
    1,268,928.64x = 1,401,620,009,874.55
  5. Step 5: Solve for x
    x = 1,401,620,009,874.55/1,268,928.64
  6. Step 6: Final answer
    x = 1,104,569.61

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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.