Finding the Fourth Proportional to 1,372,753.42, 1,894,396.44 and 752,557.48
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Solution
The fourth proportional to 1,372,753.42, 1,894,396.44 and 752,557.48 is: 1,038,527.52
Step by Step Solution
- Step 1: Write the proportion equation
1,372,753.42 : 1,894,396.44 = 752,557.48 : x - Step 2: Convert to fraction form
1,372,753.42/1,894,396.44 = 752,557.48/x - Step 3: Cross multiply
1,372,753.42x = 1,894,396.44 × 752,557.48 - Step 4: Simplify right side
1,372,753.42x = 1,425,642,211,007.37 - Step 5: Solve for x
x = 1,425,642,211,007.37/1,372,753.42 - Step 6: Final answer
x = 1,038,527.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.