Finding the Fourth Proportional to 1,097,104.12, 1,514,143.74 and 613,696.12
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Solution
The fourth proportional to 1,097,104.12, 1,514,143.74 and 613,696.12 is: 846,978.99
Step by Step Solution
- Step 1: Write the proportion equation
1,097,104.12 : 1,514,143.74 = 613,696.12 : x - Step 2: Convert to fraction form
1,097,104.12/1,514,143.74 = 613,696.12/x - Step 3: Cross multiply
1,097,104.12x = 1,514,143.74 × 613,696.12 - Step 4: Simplify right side
1,097,104.12x = 929,224,138,360.29 - Step 5: Solve for x
x = 929,224,138,360.29/1,097,104.12 - Step 6: Final answer
x = 846,978.99
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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.