Finding the Fourth Proportional to 1,433,533.44, 1,978,236.36 and 813,451.53
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Solution
The fourth proportional to 1,433,533.44, 1,978,236.36 and 813,451.53 is: 1,122,540.53
Step by Step Solution
- Step 1: Write the proportion equation
1,433,533.44 : 1,978,236.36 = 813,451.53 : x - Step 2: Convert to fraction form
1,433,533.44/1,978,236.36 = 813,451.53/x - Step 3: Cross multiply
1,433,533.44x = 1,978,236.36 × 813,451.53 - Step 4: Simplify right side
1,433,533.44x = 1,609,199,393,743.63 - Step 5: Solve for x
x = 1,609,199,393,743.63/1,433,533.44 - Step 6: Final answer
x = 1,122,540.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.