Finding the Fourth Proportional to 1,214,204.76, 1,675,821.96 and 724,205.70
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Solution
The fourth proportional to 1,214,204.76, 1,675,821.96 and 724,205.70 is: 999,534.72
Step by Step Solution
- Step 1: Write the proportion equation
1,214,204.76 : 1,675,821.96 = 724,205.70 : x - Step 2: Convert to fraction form
1,214,204.76/1,675,821.96 = 724,205.70/x - Step 3: Cross multiply
1,214,204.76x = 1,675,821.96 × 724,205.70 - Step 4: Simplify right side
1,214,204.76x = 1,213,639,815,617.17 - Step 5: Solve for x
x = 1,213,639,815,617.17/1,214,204.76 - Step 6: Final answer
x = 999,534.72
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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.