Home / 1,027,485.34-1,541,196.09-488,129.78

Finding the Fourth Proportional to 1,027,485.34, 1,541,196.09 and 488,129.78

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Solution

The fourth proportional to 1,027,485.34, 1,541,196.09 and 488,129.78 is: 732,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,485.34 : 1,541,196.09 = 488,129.78 : x
  2. Step 2: Convert to fraction form
    1,027,485.34/1,541,196.09 = 488,129.78/x
  3. Step 3: Cross multiply
    1,027,485.34x = 1,541,196.09 × 488,129.78
  4. Step 4: Simplify right side
    1,027,485.34x = 752,303,708,348.56
  5. Step 5: Solve for x
    x = 752,303,708,348.56/1,027,485.34
  6. Step 6: Final answer
    x = 732,179.51

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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.