Finding the Fourth Proportional to 1,085,687.80, 1,498,428.80 and 602,408.68
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Solution
The fourth proportional to 1,085,687.80, 1,498,428.80 and 602,408.68 is: 831,423.65
Step by Step Solution
- Step 1: Write the proportion equation
1,085,687.80 : 1,498,428.80 = 602,408.68 : x - Step 2: Convert to fraction form
1,085,687.80/1,498,428.80 = 602,408.68/x - Step 3: Cross multiply
1,085,687.80x = 1,498,428.80 × 602,408.68 - Step 4: Simplify right side
1,085,687.80x = 902,666,515,481.98 - Step 5: Solve for x
x = 902,666,515,481.98/1,085,687.80 - Step 6: Final answer
x = 831,423.65
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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.