Finding the Fourth Proportional to 1,330,353.77, 1,835,889.96 and 757,393.92
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Solution
The fourth proportional to 1,330,353.77, 1,835,889.96 and 757,393.92 is: 1,045,204.61
Step by Step Solution
- Step 1: Write the proportion equation
1,330,353.77 : 1,835,889.96 = 757,393.92 : x - Step 2: Convert to fraction form
1,330,353.77/1,835,889.96 = 757,393.92/x - Step 3: Cross multiply
1,330,353.77x = 1,835,889.96 × 757,393.92 - Step 4: Simplify right side
1,330,353.77x = 1,390,491,893,493.04 - Step 5: Solve for x
x = 1,390,491,893,493.04/1,330,353.77 - Step 6: Final answer
x = 1,045,204.61
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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.