Finding the Fourth Proportional to 1,102,527.44, 1,521,628.74 and 672,716.36
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Solution
The fourth proportional to 1,102,527.44, 1,521,628.74 and 672,716.36 is: 928,434.53
Step by Step Solution
- Step 1: Write the proportion equation
1,102,527.44 : 1,521,628.74 = 672,716.36 : x - Step 2: Convert to fraction form
1,102,527.44/1,521,628.74 = 672,716.36/x - Step 3: Cross multiply
1,102,527.44x = 1,521,628.74 × 672,716.36 - Step 4: Simplify right side
1,102,527.44x = 1,023,624,547,244.19 - Step 5: Solve for x
x = 1,023,624,547,244.19/1,102,527.44 - Step 6: Final answer
x = 928,434.53
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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.