Finding the Fourth Proportional to 1,236,536.82, 1,706,438.55 and 720,277.50
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Solution
The fourth proportional to 1,236,536.82, 1,706,438.55 and 720,277.50 is: 993,993.28
Step by Step Solution
- Step 1: Write the proportion equation
1,236,536.82 : 1,706,438.55 = 720,277.50 : x - Step 2: Convert to fraction form
1,236,536.82/1,706,438.55 = 720,277.50/x - Step 3: Cross multiply
1,236,536.82x = 1,706,438.55 × 720,277.50 - Step 4: Simplify right side
1,236,536.82x = 1,229,109,292,697.63 - Step 5: Solve for x
x = 1,229,109,292,697.63/1,236,536.82 - Step 6: Final answer
x = 993,993.28
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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.