Finding the Fourth Proportional to 1,131,874.68, 1,697,451.12 and 373,575.36
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Solution
The fourth proportional to 1,131,874.68, 1,697,451.12 and 373,575.36 is: 560,243.92
Step by Step Solution
- Step 1: Write the proportion equation
1,131,874.68 : 1,697,451.12 = 373,575.36 : x - Step 2: Convert to fraction form
1,131,874.68/1,697,451.12 = 373,575.36/x - Step 3: Cross multiply
1,131,874.68x = 1,697,451.12 × 373,575.36 - Step 4: Simplify right side
1,131,874.68x = 634,125,913,236.40 - Step 5: Solve for x
x = 634,125,913,236.40/1,131,874.68 - Step 6: Final answer
x = 560,243.92
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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.