Finding the Fourth Proportional to 1,053,837.36, 1,580,760.08 and 255,117.62
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Solution
The fourth proportional to 1,053,837.36, 1,580,760.08 and 255,117.62 is: 382,677.41
Step by Step Solution
- Step 1: Write the proportion equation
1,053,837.36 : 1,580,760.08 = 255,117.62 : x - Step 2: Convert to fraction form
1,053,837.36/1,580,760.08 = 255,117.62/x - Step 3: Cross multiply
1,053,837.36x = 1,580,760.08 × 255,117.62 - Step 4: Simplify right side
1,053,837.36x = 403,279,749,400.61 - Step 5: Solve for x
x = 403,279,749,400.61/1,053,837.36 - Step 6: Final answer
x = 382,677.41
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1.5x scale
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.