Finding the Fourth Proportional to 1,230,440.96, 1,845,649.92 and 388,992.80
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Solution
The fourth proportional to 1,230,440.96, 1,845,649.92 and 388,992.80 is: 583,485.56
Step by Step Solution
- Step 1: Write the proportion equation
1,230,440.96 : 1,845,649.92 = 388,992.80 : x - Step 2: Convert to fraction form
1,230,440.96/1,845,649.92 = 388,992.80/x - Step 3: Cross multiply
1,230,440.96x = 1,845,649.92 × 388,992.80 - Step 4: Simplify right side
1,230,440.96x = 717,944,530,200.58 - Step 5: Solve for x
x = 717,944,530,200.58/1,230,440.96 - Step 6: Final answer
x = 583,485.56
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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.