Home / 1,214,021.26-1,675,442.10-670,261.78

Finding the Fourth Proportional to 1,214,021.26, 1,675,442.10 and 670,261.78

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Solution

The fourth proportional to 1,214,021.26, 1,675,442.10 and 670,261.78 is: 925,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,021.26 : 1,675,442.10 = 670,261.78 : x
  2. Step 2: Convert to fraction form
    1,214,021.26/1,675,442.10 = 670,261.78/x
  3. Step 3: Cross multiply
    1,214,021.26x = 1,675,442.10 × 670,261.78
  4. Step 4: Simplify right side
    1,214,021.26x = 1,122,984,804,232.94
  5. Step 5: Solve for x
    x = 1,122,984,804,232.94/1,214,021.26
  6. Step 6: Final answer
    x = 925,012.47

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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.