Finding the Fourth Proportional to 1,170,120.84, 1,614,252.42 and 686,440.68
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Solution
The fourth proportional to 1,170,120.84, 1,614,252.42 and 686,440.68 is: 946,986.41
Step by Step Solution
- Step 1: Write the proportion equation
1,170,120.84 : 1,614,252.42 = 686,440.68 : x - Step 2: Convert to fraction form
1,170,120.84/1,614,252.42 = 686,440.68/x - Step 3: Cross multiply
1,170,120.84x = 1,614,252.42 × 686,440.68 - Step 4: Simplify right side
1,170,120.84x = 1,108,088,528,876.45 - Step 5: Solve for x
x = 1,108,088,528,876.45/1,170,120.84 - Step 6: Final answer
x = 946,986.41
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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.