Finding the Fourth Proportional to 1,351,553.12, 1,865,148.25 and 731,358.29
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Solution
The fourth proportional to 1,351,553.12, 1,865,148.25 and 731,358.29 is: 1,009,277.12
Step by Step Solution
- Step 1: Write the proportion equation
1,351,553.12 : 1,865,148.25 = 731,358.29 : x - Step 2: Convert to fraction form
1,351,553.12/1,865,148.25 = 731,358.29/x - Step 3: Cross multiply
1,351,553.12x = 1,865,148.25 × 731,358.29 - Step 4: Simplify right side
1,351,553.12x = 1,364,091,640,796.60 - Step 5: Solve for x
x = 1,364,091,640,796.60/1,351,553.12 - Step 6: Final answer
x = 1,009,277.12
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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.