Home / 1,188,002.20-1,782,003.30-589,055.80

Finding the Fourth Proportional to 1,188,002.20, 1,782,003.30 and 589,055.80

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Solution

The fourth proportional to 1,188,002.20, 1,782,003.30 and 589,055.80 is: 883,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,002.20 : 1,782,003.30 = 589,055.80 : x
  2. Step 2: Convert to fraction form
    1,188,002.20/1,782,003.30 = 589,055.80/x
  3. Step 3: Cross multiply
    1,188,002.20x = 1,782,003.30 × 589,055.80
  4. Step 4: Simplify right side
    1,188,002.20x = 1,049,699,379,484.14
  5. Step 5: Solve for x
    x = 1,049,699,379,484.14/1,188,002.20
  6. Step 6: Final answer
    x = 883,583.70

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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.