Finding the Fourth Proportional to 1,117,868.68, 1,677,301.35 and 407,730.70
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Solution
The fourth proportional to 1,117,868.68, 1,677,301.35 and 407,730.70 is: 611,777.81
Step by Step Solution
- Step 1: Write the proportion equation
1,117,868.68 : 1,677,301.35 = 407,730.70 : x - Step 2: Convert to fraction form
1,117,868.68/1,677,301.35 = 407,730.70/x - Step 3: Cross multiply
1,117,868.68x = 1,677,301.35 × 407,730.70 - Step 4: Simplify right side
1,117,868.68x = 683,887,253,546.45 - Step 5: Solve for x
x = 683,887,253,546.45/1,117,868.68 - Step 6: Final answer
x = 611,777.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.