Home / 1,255,708.46-1,883,520.36-545,736.56

Finding the Fourth Proportional to 1,255,708.46, 1,883,520.36 and 545,736.56

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Solution

The fourth proportional to 1,255,708.46, 1,883,520.36 and 545,736.56 is: 818,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,708.46 : 1,883,520.36 = 545,736.56 : x
  2. Step 2: Convert to fraction form
    1,255,708.46/1,883,520.36 = 545,736.56/x
  3. Step 3: Cross multiply
    1,255,708.46x = 1,883,520.36 × 545,736.56
  4. Step 4: Simplify right side
    1,255,708.46x = 1,027,905,921,956.36
  5. Step 5: Solve for x
    x = 1,027,905,921,956.36/1,255,708.46
  6. Step 6: Final answer
    x = 818,586.44

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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.