Home / 1,212,352.73-1,672,986.76-688,995.22

Finding the Fourth Proportional to 1,212,352.73, 1,672,986.76 and 688,995.22

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Solution

The fourth proportional to 1,212,352.73, 1,672,986.76 and 688,995.22 is: 950,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,352.73 : 1,672,986.76 = 688,995.22 : x
  2. Step 2: Convert to fraction form
    1,212,352.73/1,672,986.76 = 688,995.22/x
  3. Step 3: Cross multiply
    1,212,352.73x = 1,672,986.76 × 688,995.22
  4. Step 4: Simplify right side
    1,212,352.73x = 1,152,679,874,858.33
  5. Step 5: Solve for x
    x = 1,152,679,874,858.33/1,212,352.73
  6. Step 6: Final answer
    x = 950,779.29

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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.