Finding the Fourth Proportional to 1,361,207.32, 2,043,072.68 and 687,761.92
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Solution
The fourth proportional to 1,361,207.32, 2,043,072.68 and 687,761.92 is: 1,032,280.36
Step by Step Solution
- Step 1: Write the proportion equation
1,361,207.32 : 2,043,072.68 = 687,761.92 : x - Step 2: Convert to fraction form
1,361,207.32/2,043,072.68 = 687,761.92/x - Step 3: Cross multiply
1,361,207.32x = 2,043,072.68 × 687,761.92 - Step 4: Simplify right side
1,361,207.32x = 1,405,147,589,096.35 - Step 5: Solve for x
x = 1,405,147,589,096.35/1,361,207.32 - Step 6: Final answer
x = 1,032,280.36
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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.