Finding the Fourth Proportional to 1,272,674.18, 1,756,245.50 and 699,709.94
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Solution
The fourth proportional to 1,272,674.18, 1,756,245.50 and 699,709.94 is: 965,575.05
Step by Step Solution
- Step 1: Write the proportion equation
1,272,674.18 : 1,756,245.50 = 699,709.94 : x - Step 2: Convert to fraction form
1,272,674.18/1,756,245.50 = 699,709.94/x - Step 3: Cross multiply
1,272,674.18x = 1,756,245.50 × 699,709.94 - Step 4: Simplify right side
1,272,674.18x = 1,228,862,433,430.27 - Step 5: Solve for x
x = 1,228,862,433,430.27/1,272,674.18 - Step 6: Final answer
x = 965,575.05
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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.