Finding the Fourth Proportional to 1,053,676.44, 1,578,918.14 and 697,414.14
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Solution
The fourth proportional to 1,053,676.44, 1,578,918.14 and 697,414.14 is: 1,045,064.50
Step by Step Solution
- Step 1: Write the proportion equation
1,053,676.44 : 1,578,918.14 = 697,414.14 : x - Step 2: Convert to fraction form
1,053,676.44/1,578,918.14 = 697,414.14/x - Step 3: Cross multiply
1,053,676.44x = 1,578,918.14 × 697,414.14 - Step 4: Simplify right side
1,053,676.44x = 1,101,159,836,738.50 - Step 5: Solve for x
x = 1,101,159,836,738.50/1,053,676.44 - Step 6: Final answer
x = 1,045,064.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.