Finding the Fourth Proportional to 1,279,125.24, 1,918,353.60 and 380,324.94
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Solution
The fourth proportional to 1,279,125.24, 1,918,353.60 and 380,324.94 is: 570,388.02
Step by Step Solution
- Step 1: Write the proportion equation
1,279,125.24 : 1,918,353.60 = 380,324.94 : x - Step 2: Convert to fraction form
1,279,125.24/1,918,353.60 = 380,324.94/x - Step 3: Cross multiply
1,279,125.24x = 1,918,353.60 × 380,324.94 - Step 4: Simplify right side
1,279,125.24x = 729,597,717,818.78 - Step 5: Solve for x
x = 729,597,717,818.78/1,279,125.24 - Step 6: Final answer
x = 570,388.02
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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.