Finding the Fourth Proportional to 1,199,685.12, 1,799,531.09 and 346,826.19
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Solution
The fourth proportional to 1,199,685.12, 1,799,531.09 and 346,826.19 is: 520,240.27
Step by Step Solution
- Step 1: Write the proportion equation
1,199,685.12 : 1,799,531.09 = 346,826.19 : x - Step 2: Convert to fraction form
1,199,685.12/1,799,531.09 = 346,826.19/x - Step 3: Cross multiply
1,199,685.12x = 1,799,531.09 × 346,826.19 - Step 4: Simplify right side
1,199,685.12x = 624,124,511,731.25 - Step 5: Solve for x
x = 624,124,511,731.25/1,199,685.12 - Step 6: Final answer
x = 520,240.27
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1.5x scale
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.