Finding the Fourth Proportional to 1,207,553.67, 1,667,885.58 and 880,348.50
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Solution
The fourth proportional to 1,207,553.67, 1,667,885.58 and 880,348.50 is: 1,215,946.43
Step by Step Solution
- Step 1: Write the proportion equation
1,207,553.67 : 1,667,885.58 = 880,348.50 : x - Step 2: Convert to fraction form
1,207,553.67/1,667,885.58 = 880,348.50/x - Step 3: Cross multiply
1,207,553.67x = 1,667,885.58 × 880,348.50 - Step 4: Simplify right side
1,207,553.67x = 1,468,320,568,524.63 - Step 5: Solve for x
x = 1,468,320,568,524.63/1,207,553.67 - Step 6: Final answer
x = 1,215,946.43
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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.