Finding the Fourth Proportional to 1,213,238.36, 1,674,274.76 and 669,374.12
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Solution
The fourth proportional to 1,213,238.36, 1,674,274.76 and 669,374.12 is: 923,739.50
Step by Step Solution
- Step 1: Write the proportion equation
1,213,238.36 : 1,674,274.76 = 669,374.12 : x - Step 2: Convert to fraction form
1,213,238.36/1,674,274.76 = 669,374.12/x - Step 3: Cross multiply
1,213,238.36x = 1,674,274.76 × 669,374.12 - Step 4: Simplify right side
1,213,238.36x = 1,120,716,194,113.21 - Step 5: Solve for x
x = 1,120,716,194,113.21/1,213,238.36 - Step 6: Final answer
x = 923,739.50
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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.