Finding the Fourth Proportional to 1,213,837.13, 1,675,095.24 and 677,293.13
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Solution
The fourth proportional to 1,213,837.13, 1,675,095.24 and 677,293.13 is: 934,664.52
Step by Step Solution
- Step 1: Write the proportion equation
1,213,837.13 : 1,675,095.24 = 677,293.13 : x - Step 2: Convert to fraction form
1,213,837.13/1,675,095.24 = 677,293.13/x - Step 3: Cross multiply
1,213,837.13x = 1,675,095.24 × 677,293.13 - Step 4: Simplify right side
1,213,837.13x = 1,134,530,489,772.23 - Step 5: Solve for x
x = 1,134,530,489,772.23/1,213,837.13 - Step 6: Final answer
x = 934,664.52
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1.5x scale
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.