Finding the Fourth Proportional to 1,259,071.08, 1,737,371.62 and 768,793.96
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Solution
The fourth proportional to 1,259,071.08, 1,737,371.62 and 768,793.96 is: 1,060,846.23
Step by Step Solution
- Step 1: Write the proportion equation
1,259,071.08 : 1,737,371.62 = 768,793.96 : x - Step 2: Convert to fraction form
1,259,071.08/1,737,371.62 = 768,793.96/x - Step 3: Cross multiply
1,259,071.08x = 1,737,371.62 × 768,793.96 - Step 4: Simplify right side
1,259,071.08x = 1,335,680,807,731.42 - Step 5: Solve for x
x = 1,335,680,807,731.42/1,259,071.08 - Step 6: Final answer
x = 1,060,846.23
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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.