Home / 1,322,632.29-1,982,373.35-921,099.09

Finding the Fourth Proportional to 1,322,632.29, 1,982,373.35 and 921,099.09

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Solution

The fourth proportional to 1,322,632.29, 1,982,373.35 and 921,099.09 is: 1,380,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,632.29 : 1,982,373.35 = 921,099.09 : x
  2. Step 2: Convert to fraction form
    1,322,632.29/1,982,373.35 = 921,099.09/x
  3. Step 3: Cross multiply
    1,322,632.29x = 1,982,373.35 × 921,099.09
  4. Step 4: Simplify right side
    1,322,632.29x = 1,825,962,284,119.76
  5. Step 5: Solve for x
    x = 1,825,962,284,119.76/1,322,632.29
  6. Step 6: Final answer
    x = 1,380,551.72

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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.