Finding the Fourth Proportional to 1,330,690.17, 1,836,350.63 and 757,730.34
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Solution
The fourth proportional to 1,330,690.17, 1,836,350.63 and 757,730.34 is: 1,045,666.84
Step by Step Solution
- Step 1: Write the proportion equation
1,330,690.17 : 1,836,350.63 = 757,730.34 : x - Step 2: Convert to fraction form
1,330,690.17/1,836,350.63 = 757,730.34/x - Step 3: Cross multiply
1,330,690.17x = 1,836,350.63 × 757,730.34 - Step 4: Simplify right side
1,330,690.17x = 1,391,458,583,440.46 - Step 5: Solve for x
x = 1,391,458,583,440.46/1,330,690.17 - Step 6: Final answer
x = 1,045,666.84
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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.