Finding the Fourth Proportional to 1,295,951.70, 1,788,378.84 and 722,977.14
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Solution
The fourth proportional to 1,295,951.70, 1,788,378.84 and 722,977.14 is: 997,689.20
Step by Step Solution
- Step 1: Write the proportion equation
1,295,951.70 : 1,788,378.84 = 722,977.14 : x - Step 2: Convert to fraction form
1,295,951.70/1,788,378.84 = 722,977.14/x - Step 3: Cross multiply
1,295,951.70x = 1,788,378.84 × 722,977.14 - Step 4: Simplify right side
1,295,951.70x = 1,292,957,018,979.72 - Step 5: Solve for x
x = 1,292,957,018,979.72/1,295,951.70 - Step 6: Final answer
x = 997,689.20
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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.