Finding the Fourth Proportional to 1,425,162.12, 1,966,755.58 and 813,302.70
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Solution
The fourth proportional to 1,425,162.12, 1,966,755.58 and 813,302.70 is: 1,122,375.90
Step by Step Solution
- Step 1: Write the proportion equation
1,425,162.12 : 1,966,755.58 = 813,302.70 : x - Step 2: Convert to fraction form
1,425,162.12/1,966,755.58 = 813,302.70/x - Step 3: Cross multiply
1,425,162.12x = 1,966,755.58 × 813,302.70 - Step 4: Simplify right side
1,425,162.12x = 1,599,567,623,454.07 - Step 5: Solve for x
x = 1,599,567,623,454.07/1,425,162.12 - Step 6: Final answer
x = 1,122,375.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.