Finding the Fourth Proportional to 1,207,206.50, 1,665,944.49 and 663,377.36
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Solution
The fourth proportional to 1,207,206.50, 1,665,944.49 and 663,377.36 is: 915,460.49
Step by Step Solution
- Step 1: Write the proportion equation
1,207,206.50 : 1,665,944.49 = 663,377.36 : x - Step 2: Convert to fraction form
1,207,206.50/1,665,944.49 = 663,377.36/x - Step 3: Cross multiply
1,207,206.50x = 1,665,944.49 × 663,377.36 - Step 4: Simplify right side
1,207,206.50x = 1,105,149,849,353.02 - Step 5: Solve for x
x = 1,105,149,849,353.02/1,207,206.50 - Step 6: Final answer
x = 915,460.49
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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.