Finding the Fourth Proportional to 1,023,706.24, 1,529,562.63 and 987,905.09
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Solution
The fourth proportional to 1,023,706.24, 1,529,562.63 and 987,905.09 is: 1,476,070.63
Step by Step Solution
- Step 1: Write the proportion equation
1,023,706.24 : 1,529,562.63 = 987,905.09 : x - Step 2: Convert to fraction form
1,023,706.24/1,529,562.63 = 987,905.09/x - Step 3: Cross multiply
1,023,706.24x = 1,529,562.63 × 987,905.09 - Step 4: Simplify right side
1,023,706.24x = 1,511,062,709,622.37 - Step 5: Solve for x
x = 1,511,062,709,622.37/1,023,706.24 - Step 6: Final answer
x = 1,476,070.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.