Finding the Fourth Proportional to 1,236,392.75, 1,855,368.18 and 526,419.47
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Solution
The fourth proportional to 1,236,392.75, 1,855,368.18 and 526,419.47 is: 789,960.90
Step by Step Solution
- Step 1: Write the proportion equation
1,236,392.75 : 1,855,368.18 = 526,419.47 : x - Step 2: Convert to fraction form
1,236,392.75/1,855,368.18 = 526,419.47/x - Step 3: Cross multiply
1,236,392.75x = 1,855,368.18 × 526,419.47 - Step 4: Simplify right side
1,236,392.75x = 976,701,933,970.47 - Step 5: Solve for x
x = 976,701,933,970.47/1,236,392.75 - Step 6: Final answer
x = 789,960.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.