Finding the Fourth Proportional to 1,086,737.40, 1,630,106.10 and 682,579.80
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Solution
The fourth proportional to 1,086,737.40, 1,630,106.10 and 682,579.80 is: 1,023,869.70
Step by Step Solution
- Step 1: Write the proportion equation
1,086,737.40 : 1,630,106.10 = 682,579.80 : x - Step 2: Convert to fraction form
1,086,737.40/1,630,106.10 = 682,579.80/x - Step 3: Cross multiply
1,086,737.40x = 1,630,106.10 × 682,579.80 - Step 4: Simplify right side
1,086,737.40x = 1,112,677,495,716.78 - Step 5: Solve for x
x = 1,112,677,495,716.78/1,086,737.40 - Step 6: Final answer
x = 1,023,869.70
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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.