Finding the Fourth Proportional to 1,136,286.18, 1,568,073.12 and 626,988.12
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Solution
The fourth proportional to 1,136,286.18, 1,568,073.12 and 626,988.12 is: 865,242.61
Step by Step Solution
- Step 1: Write the proportion equation
1,136,286.18 : 1,568,073.12 = 626,988.12 : x - Step 2: Convert to fraction form
1,136,286.18/1,568,073.12 = 626,988.12/x - Step 3: Cross multiply
1,136,286.18x = 1,568,073.12 × 626,988.12 - Step 4: Simplify right side
1,136,286.18x = 983,163,217,531.34 - Step 5: Solve for x
x = 983,163,217,531.34/1,136,286.18 - Step 6: Final answer
x = 865,242.61
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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.