Home / 1,182,189.80-1,770,660.30-972,237.80

Finding the Fourth Proportional to 1,182,189.80, 1,770,660.30 and 972,237.80

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Solution

The fourth proportional to 1,182,189.80, 1,770,660.30 and 972,237.80 is: 1,456,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,189.80 : 1,770,660.30 = 972,237.80 : x
  2. Step 2: Convert to fraction form
    1,182,189.80/1,770,660.30 = 972,237.80/x
  3. Step 3: Cross multiply
    1,182,189.80x = 1,770,660.30 × 972,237.80
  4. Step 4: Simplify right side
    1,182,189.80x = 1,721,502,874,619.34
  5. Step 5: Solve for x
    x = 1,721,502,874,619.34/1,182,189.80
  6. Step 6: Final answer
    x = 1,456,198.38

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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.