Home / 1,211,615.73-1,672,314.64-753,076.62

Finding the Fourth Proportional to 1,211,615.73, 1,672,314.64 and 753,076.62

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Solution

The fourth proportional to 1,211,615.73, 1,672,314.64 and 753,076.62 is: 1,039,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,615.73 : 1,672,314.64 = 753,076.62 : x
  2. Step 2: Convert to fraction form
    1,211,615.73/1,672,314.64 = 753,076.62/x
  3. Step 3: Cross multiply
    1,211,615.73x = 1,672,314.64 × 753,076.62
  4. Step 4: Simplify right side
    1,211,615.73x = 1,259,381,054,785.03
  5. Step 5: Solve for x
    x = 1,259,381,054,785.03/1,211,615.73
  6. Step 6: Final answer
    x = 1,039,422.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.