Finding the Fourth Proportional to 1,049,775.84, 1,448,926.97 and 686,989.53
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Solution
The fourth proportional to 1,049,775.84, 1,448,926.97 and 686,989.53 is: 948,200.19
Step by Step Solution
- Step 1: Write the proportion equation
1,049,775.84 : 1,448,926.97 = 686,989.53 : x - Step 2: Convert to fraction form
1,049,775.84/1,448,926.97 = 686,989.53/x - Step 3: Cross multiply
1,049,775.84x = 1,448,926.97 × 686,989.53 - Step 4: Simplify right side
1,049,775.84x = 995,397,654,689.68 - Step 5: Solve for x
x = 995,397,654,689.68/1,049,775.84 - Step 6: Final answer
x = 948,200.19
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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.