Finding the Fourth Proportional to 1,442,120.60, 2,162,524.80 and 768,028.88
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Solution
The fourth proportional to 1,442,120.60, 2,162,524.80 and 768,028.88 is: 1,151,693.90
Step by Step Solution
- Step 1: Write the proportion equation
1,442,120.60 : 2,162,524.80 = 768,028.88 : x - Step 2: Convert to fraction form
1,442,120.60/2,162,524.80 = 768,028.88/x - Step 3: Cross multiply
1,442,120.60x = 2,162,524.80 × 768,028.88 - Step 4: Simplify right side
1,442,120.60x = 1,660,881,500,116.22 - Step 5: Solve for x
x = 1,660,881,500,116.22/1,442,120.60 - Step 6: Final answer
x = 1,151,693.90
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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.