Home / 1,204,922.39-1,806,122.51-405,927.86

Finding the Fourth Proportional to 1,204,922.39, 1,806,122.51 and 405,927.86

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Solution

The fourth proportional to 1,204,922.39, 1,806,122.51 and 405,927.86 is: 608,466.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,922.39 : 1,806,122.51 = 405,927.86 : x
  2. Step 2: Convert to fraction form
    1,204,922.39/1,806,122.51 = 405,927.86/x
  3. Step 3: Cross multiply
    1,204,922.39x = 1,806,122.51 × 405,927.86
  4. Step 4: Simplify right side
    1,204,922.39x = 733,155,435,844.11
  5. Step 5: Solve for x
    x = 733,155,435,844.11/1,204,922.39
  6. Step 6: Final answer
    x = 608,466.94

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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.