Home / 1,172,788.36-1,759,027.02-331,405.72

Finding the Fourth Proportional to 1,172,788.36, 1,759,027.02 and 331,405.72

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Solution

The fourth proportional to 1,172,788.36, 1,759,027.02 and 331,405.72 is: 497,064.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,788.36 : 1,759,027.02 = 331,405.72 : x
  2. Step 2: Convert to fraction form
    1,172,788.36/1,759,027.02 = 331,405.72/x
  3. Step 3: Cross multiply
    1,172,788.36x = 1,759,027.02 × 331,405.72
  4. Step 4: Simplify right side
    1,172,788.36x = 582,951,616,062.55
  5. Step 5: Solve for x
    x = 582,951,616,062.55/1,172,788.36
  6. Step 6: Final answer
    x = 497,064.63

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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.