Home / 1,128,088.67-1,691,951.64-329,183.03

Finding the Fourth Proportional to 1,128,088.67, 1,691,951.64 and 329,183.03

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Solution

The fourth proportional to 1,128,088.67, 1,691,951.64 and 329,183.03 is: 493,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,088.67 : 1,691,951.64 = 329,183.03 : x
  2. Step 2: Convert to fraction form
    1,128,088.67/1,691,951.64 = 329,183.03/x
  3. Step 3: Cross multiply
    1,128,088.67x = 1,691,951.64 × 329,183.03
  4. Step 4: Simplify right side
    1,128,088.67x = 556,961,759,008.91
  5. Step 5: Solve for x
    x = 556,961,759,008.91/1,128,088.67
  6. Step 6: Final answer
    x = 493,721.62

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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.