Home / 1,188,020.80-1,781,685.60-655,796.80

Finding the Fourth Proportional to 1,188,020.80, 1,781,685.60 and 655,796.80

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Solution

The fourth proportional to 1,188,020.80, 1,781,685.60 and 655,796.80 is: 983,504.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,020.80 : 1,781,685.60 = 655,796.80 : x
  2. Step 2: Convert to fraction form
    1,188,020.80/1,781,685.60 = 655,796.80/x
  3. Step 3: Cross multiply
    1,188,020.80x = 1,781,685.60 × 655,796.80
  4. Step 4: Simplify right side
    1,188,020.80x = 1,168,423,715,086.08
  5. Step 5: Solve for x
    x = 1,168,423,715,086.08/1,188,020.80
  6. Step 6: Final answer
    x = 983,504.43

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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.