Home / 1,255,982.20-1,883,390.10-545,644.60

Finding the Fourth Proportional to 1,255,982.20, 1,883,390.10 and 545,644.60

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Solution

The fourth proportional to 1,255,982.20, 1,883,390.10 and 545,644.60 is: 818,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,982.20 : 1,883,390.10 = 545,644.60 : x
  2. Step 2: Convert to fraction form
    1,255,982.20/1,883,390.10 = 545,644.60/x
  3. Step 3: Cross multiply
    1,255,982.20x = 1,883,390.10 × 545,644.60
  4. Step 4: Simplify right side
    1,255,982.20x = 1,027,661,637,758.46
  5. Step 5: Solve for x
    x = 1,027,661,637,758.46/1,255,982.20
  6. Step 6: Final answer
    x = 818,213.54

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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.