Finding the Fourth Proportional to 1,103,134.77, 1,522,326.12 and 613,104.21
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Solution
The fourth proportional to 1,103,134.77, 1,522,326.12 and 613,104.21 is: 846,083.89
Step by Step Solution
- Step 1: Write the proportion equation
1,103,134.77 : 1,522,326.12 = 613,104.21 : x - Step 2: Convert to fraction form
1,103,134.77/1,522,326.12 = 613,104.21/x - Step 3: Cross multiply
1,103,134.77x = 1,522,326.12 × 613,104.21 - Step 4: Simplify right side
1,103,134.77x = 933,344,553,164.97 - Step 5: Solve for x
x = 933,344,553,164.97/1,103,134.77 - Step 6: Final answer
x = 846,083.89
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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.