Finding the Fourth Proportional to 1,117,269.36, 1,675,687.68 and 434,154.96
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Solution
The fourth proportional to 1,117,269.36, 1,675,687.68 and 434,154.96 is: 651,148.37
Step by Step Solution
- Step 1: Write the proportion equation
1,117,269.36 : 1,675,687.68 = 434,154.96 : x - Step 2: Convert to fraction form
1,117,269.36/1,675,687.68 = 434,154.96/x - Step 3: Cross multiply
1,117,269.36x = 1,675,687.68 × 434,154.96 - Step 4: Simplify right side
1,117,269.36x = 727,508,117,682.89 - Step 5: Solve for x
x = 727,508,117,682.89/1,117,269.36 - Step 6: Final answer
x = 651,148.37
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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.