Finding the Fourth Proportional to 1,053,583.94, 1,453,945.80 and 570,149.08
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Solution
The fourth proportional to 1,053,583.94, 1,453,945.80 and 570,149.08 is: 786,805.71
Step by Step Solution
- Step 1: Write the proportion equation
1,053,583.94 : 1,453,945.80 = 570,149.08 : x - Step 2: Convert to fraction form
1,053,583.94/1,453,945.80 = 570,149.08/x - Step 3: Cross multiply
1,053,583.94x = 1,453,945.80 × 570,149.08 - Step 4: Simplify right side
1,053,583.94x = 828,965,860,239.86 - Step 5: Solve for x
x = 828,965,860,239.86/1,053,583.94 - Step 6: Final answer
x = 786,805.71
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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.