Finding the Fourth Proportional to 1,236,580.68, 1,715,211.90 and 1,203,804.84
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Solution
The fourth proportional to 1,236,580.68, 1,715,211.90 and 1,203,804.84 is: 1,669,749.84
Step by Step Solution
- Step 1: Write the proportion equation
1,236,580.68 : 1,715,211.90 = 1,203,804.84 : x - Step 2: Convert to fraction form
1,236,580.68/1,715,211.90 = 1,203,804.84/x - Step 3: Cross multiply
1,236,580.68x = 1,715,211.90 × 1,203,804.84 - Step 4: Simplify right side
1,236,580.68x = 2,064,780,386,845.60 - Step 5: Solve for x
x = 2,064,780,386,845.60/1,236,580.68 - Step 6: Final answer
x = 1,669,749.84
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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.