Finding the Fourth Proportional to 1,263,441.84, 1,743,545.88 and 690,482.05
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Solution
The fourth proportional to 1,263,441.84, 1,743,545.88 and 690,482.05 is: 952,863.12
Step by Step Solution
- Step 1: Write the proportion equation
1,263,441.84 : 1,743,545.88 = 690,482.05 : x - Step 2: Convert to fraction form
1,263,441.84/1,743,545.88 = 690,482.05/x - Step 3: Cross multiply
1,263,441.84x = 1,743,545.88 × 690,482.05 - Step 4: Simplify right side
1,263,441.84x = 1,203,887,133,491.45 - Step 5: Solve for x
x = 1,203,887,133,491.45/1,263,441.84 - Step 6: Final answer
x = 952,863.12
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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.