Finding the Fourth Proportional to 1,072,715.48, 1,609,737.68 and 623,647.68
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Solution
The fourth proportional to 1,072,715.48, 1,609,737.68 and 623,647.68 is: 935,857.82
Step by Step Solution
- Step 1: Write the proportion equation
1,072,715.48 : 1,609,737.68 = 623,647.68 : x - Step 2: Convert to fraction form
1,072,715.48/1,609,737.68 = 623,647.68/x - Step 3: Cross multiply
1,072,715.48x = 1,609,737.68 × 623,647.68 - Step 4: Simplify right side
1,072,715.48x = 1,003,909,169,540.58 - Step 5: Solve for x
x = 1,003,909,169,540.58/1,072,715.48 - Step 6: Final answer
x = 935,857.82
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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.