Home / 1,491,817.89-2,239,292.16-1,322,125.25

Finding the Fourth Proportional to 1,491,817.89, 2,239,292.16 and 1,322,125.25

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Solution

The fourth proportional to 1,491,817.89, 2,239,292.16 and 1,322,125.25 is: 1,984,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,817.89 : 2,239,292.16 = 1,322,125.25 : x
  2. Step 2: Convert to fraction form
    1,491,817.89/2,239,292.16 = 1,322,125.25/x
  3. Step 3: Cross multiply
    1,491,817.89x = 2,239,292.16 × 1,322,125.25
  4. Step 4: Simplify right side
    1,491,817.89x = 2,960,624,695,666.58
  5. Step 5: Solve for x
    x = 2,960,624,695,666.58/1,491,817.89
  6. Step 6: Final answer
    x = 1,984,575.14

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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.