Finding the Fourth Proportional to 1,053,579.94, 1,453,940.29 and 570,145.08
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Solution
The fourth proportional to 1,053,579.94, 1,453,940.29 and 570,145.08 is: 786,800.19
Step by Step Solution
- Step 1: Write the proportion equation
1,053,579.94 : 1,453,940.29 = 570,145.08 : x - Step 2: Convert to fraction form
1,053,579.94/1,453,940.29 = 570,145.08/x - Step 3: Cross multiply
1,053,579.94x = 1,453,940.29 × 570,145.08 - Step 4: Simplify right side
1,053,579.94x = 828,956,901,531.91 - Step 5: Solve for x
x = 828,956,901,531.91/1,053,579.94 - Step 6: Final answer
x = 786,800.19
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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.