Finding the Fourth Proportional to 1,270,256.19, 1,904,982.84 and 417,187.29
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Solution
The fourth proportional to 1,270,256.19, 1,904,982.84 and 417,187.29 is: 625,649.09
Step by Step Solution
- Step 1: Write the proportion equation
1,270,256.19 : 1,904,982.84 = 417,187.29 : x - Step 2: Convert to fraction form
1,270,256.19/1,904,982.84 = 417,187.29/x - Step 3: Cross multiply
1,270,256.19x = 1,904,982.84 × 417,187.29 - Step 4: Simplify right side
1,270,256.19x = 794,734,628,516.10 - Step 5: Solve for x
x = 794,734,628,516.10/1,270,256.19 - Step 6: Final answer
x = 625,649.09
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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.