Finding the Fourth Proportional to 1,072,051.08, 1,480,122.84 and 664,588.38
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Solution
The fourth proportional to 1,072,051.08, 1,480,122.84 and 664,588.38 is: 917,561.17
Step by Step Solution
- Step 1: Write the proportion equation
1,072,051.08 : 1,480,122.84 = 664,588.38 : x - Step 2: Convert to fraction form
1,072,051.08/1,480,122.84 = 664,588.38/x - Step 3: Cross multiply
1,072,051.08x = 1,480,122.84 × 664,588.38 - Step 4: Simplify right side
1,072,051.08x = 983,672,440,436.60 - Step 5: Solve for x
x = 983,672,440,436.60/1,072,051.08 - Step 6: Final answer
x = 917,561.17
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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.