Finding the Fourth Proportional to 1,000,818.68, 1,381,228.38 and 571,163.48
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Solution
The fourth proportional to 1,000,818.68, 1,381,228.38 and 571,163.48 is: 788,261.87
Step by Step Solution
- Step 1: Write the proportion equation
1,000,818.68 : 1,381,228.38 = 571,163.48 : x - Step 2: Convert to fraction form
1,000,818.68/1,381,228.38 = 571,163.48/x - Step 3: Cross multiply
1,000,818.68x = 1,381,228.38 × 571,163.48 - Step 4: Simplify right side
1,000,818.68x = 788,907,208,195.56 - Step 5: Solve for x
x = 788,907,208,195.56/1,000,818.68 - Step 6: Final answer
x = 788,261.87
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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.