Finding the Fourth Proportional to 1,219,768.58, 1,829,742.74 and 321,204.09
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Solution
The fourth proportional to 1,219,768.58, 1,829,742.74 and 321,204.09 is: 481,829.80
Step by Step Solution
- Step 1: Write the proportion equation
1,219,768.58 : 1,829,742.74 = 321,204.09 : x - Step 2: Convert to fraction form
1,219,768.58/1,829,742.74 = 321,204.09/x - Step 3: Cross multiply
1,219,768.58x = 1,829,742.74 × 321,204.09 - Step 4: Simplify right side
1,219,768.58x = 587,720,850,129.79 - Step 5: Solve for x
x = 587,720,850,129.79/1,219,768.58 - Step 6: Final answer
x = 481,829.80
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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.