Finding the Fourth Proportional to 1,353,729.11, 2,030,365.24 and 634,147.79
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Solution
The fourth proportional to 1,353,729.11, 2,030,365.24 and 634,147.79 is: 951,114.68
Step by Step Solution
- Step 1: Write the proportion equation
1,353,729.11 : 2,030,365.24 = 634,147.79 : x - Step 2: Convert to fraction form
1,353,729.11/2,030,365.24 = 634,147.79/x - Step 3: Cross multiply
1,353,729.11x = 2,030,365.24 × 634,147.79 - Step 4: Simplify right side
1,353,729.11x = 1,287,551,633,089.51 - Step 5: Solve for x
x = 1,287,551,633,089.51/1,353,729.11 - Step 6: Final answer
x = 951,114.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.