Home / 1,182,190.80-1,770,661.80-972,238.80

Finding the Fourth Proportional to 1,182,190.80, 1,770,661.80 and 972,238.80

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Solution

The fourth proportional to 1,182,190.80, 1,770,661.80 and 972,238.80 is: 1,456,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,190.80 : 1,770,661.80 = 972,238.80 : x
  2. Step 2: Convert to fraction form
    1,182,190.80/1,770,661.80 = 972,238.80/x
  3. Step 3: Cross multiply
    1,182,190.80x = 1,770,661.80 × 972,238.80
  4. Step 4: Simplify right side
    1,182,190.80x = 1,721,506,103,637.84
  5. Step 5: Solve for x
    x = 1,721,506,103,637.84/1,182,190.80
  6. Step 6: Final answer
    x = 1,456,199.88

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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.