Finding the Fourth Proportional to 1,172,534.30, 1,619,107.18 and 737,676.48
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Solution
The fourth proportional to 1,172,534.30, 1,619,107.18 and 737,676.48 is: 1,018,628.87
Step by Step Solution
- Step 1: Write the proportion equation
1,172,534.30 : 1,619,107.18 = 737,676.48 : x - Step 2: Convert to fraction form
1,172,534.30/1,619,107.18 = 737,676.48/x - Step 3: Cross multiply
1,172,534.30x = 1,619,107.18 × 737,676.48 - Step 4: Simplify right side
1,172,534.30x = 1,194,377,285,285.13 - Step 5: Solve for x
x = 1,194,377,285,285.13/1,172,534.30 - Step 6: Final answer
x = 1,018,628.87
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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.