Finding the Fourth Proportional to 1,259,072.96, 1,737,497.76 and 686,118.08
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Solution
The fourth proportional to 1,259,072.96, 1,737,497.76 and 686,118.08 is: 946,830.46
Step by Step Solution
- Step 1: Write the proportion equation
1,259,072.96 : 1,737,497.76 = 686,118.08 : x - Step 2: Convert to fraction form
1,259,072.96/1,737,497.76 = 686,118.08/x - Step 3: Cross multiply
1,259,072.96x = 1,737,497.76 × 686,118.08 - Step 4: Simplify right side
1,259,072.96x = 1,192,128,627,095.50 - Step 5: Solve for x
x = 1,192,128,627,095.50/1,259,072.96 - Step 6: Final answer
x = 946,830.46
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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.