Home / 1,027,484.34-1,541,194.59-488,128.78

Finding the Fourth Proportional to 1,027,484.34, 1,541,194.59 and 488,128.78

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Solution

The fourth proportional to 1,027,484.34, 1,541,194.59 and 488,128.78 is: 732,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,484.34 : 1,541,194.59 = 488,128.78 : x
  2. Step 2: Convert to fraction form
    1,027,484.34/1,541,194.59 = 488,128.78/x
  3. Step 3: Cross multiply
    1,027,484.34x = 1,541,194.59 × 488,128.78
  4. Step 4: Simplify right side
    1,027,484.34x = 752,301,438,716.28
  5. Step 5: Solve for x
    x = 752,301,438,716.28/1,027,484.34
  6. Step 6: Final answer
    x = 732,178.01

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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.