Finding the Fourth Proportional to 1,256,958.84, 1,734,639.70 and 684,035.96
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Solution
The fourth proportional to 1,256,958.84, 1,734,639.70 and 684,035.96 is: 943,989.49
Step by Step Solution
- Step 1: Write the proportion equation
1,256,958.84 : 1,734,639.70 = 684,035.96 : x - Step 2: Convert to fraction form
1,256,958.84/1,734,639.70 = 684,035.96/x - Step 3: Cross multiply
1,256,958.84x = 1,734,639.70 × 684,035.96 - Step 4: Simplify right side
1,256,958.84x = 1,186,555,932,443.61 - Step 5: Solve for x
x = 1,186,555,932,443.61/1,256,958.84 - Step 6: Final answer
x = 943,989.49
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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.