Finding the Fourth Proportional to 1,229,998.05, 1,696,714.97 and 720,602.01
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Solution
The fourth proportional to 1,229,998.05, 1,696,714.97 and 720,602.01 is: 994,031.02
Step by Step Solution
- Step 1: Write the proportion equation
1,229,998.05 : 1,696,714.97 = 720,602.01 : x - Step 2: Convert to fraction form
1,229,998.05/1,696,714.97 = 720,602.01/x - Step 3: Cross multiply
1,229,998.05x = 1,696,714.97 × 720,602.01 - Step 4: Simplify right side
1,229,998.05x = 1,222,656,214,176.08 - Step 5: Solve for x
x = 1,222,656,214,176.08/1,229,998.05 - Step 6: Final answer
x = 994,031.02
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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.