Finding the Fourth Proportional to 1,053,278.08, 1,453,519.80 and 569,841.68
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Solution
The fourth proportional to 1,053,278.08, 1,453,519.80 and 569,841.68 is: 786,379.38
Step by Step Solution
- Step 1: Write the proportion equation
1,053,278.08 : 1,453,519.80 = 569,841.68 : x - Step 2: Convert to fraction form
1,053,278.08/1,453,519.80 = 569,841.68/x - Step 3: Cross multiply
1,053,278.08x = 1,453,519.80 × 569,841.68 - Step 4: Simplify right side
1,053,278.08x = 828,276,164,745.26 - Step 5: Solve for x
x = 828,276,164,745.26/1,053,278.08 - Step 6: Final answer
x = 786,379.38
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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.