Home / 1,211,460.27-1,671,826.23-667,615.56

Finding the Fourth Proportional to 1,211,460.27, 1,671,826.23 and 667,615.56

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Solution

The fourth proportional to 1,211,460.27, 1,671,826.23 and 667,615.56 is: 921,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,460.27 : 1,671,826.23 = 667,615.56 : x
  2. Step 2: Convert to fraction form
    1,211,460.27/1,671,826.23 = 667,615.56/x
  3. Step 3: Cross multiply
    1,211,460.27x = 1,671,826.23 × 667,615.56
  4. Step 4: Simplify right side
    1,211,460.27x = 1,116,137,204,764.14
  5. Step 5: Solve for x
    x = 1,116,137,204,764.14/1,211,460.27
  6. Step 6: Final answer
    x = 921,315.57

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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.