Finding the Fourth Proportional to 1,053,577.85, 1,453,937.43 and 570,142.99
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Solution
The fourth proportional to 1,053,577.85, 1,453,937.43 and 570,142.99 is: 786,797.32
Step by Step Solution
- Step 1: Write the proportion equation
1,053,577.85 : 1,453,937.43 = 570,142.99 : x - Step 2: Convert to fraction form
1,053,577.85/1,453,937.43 = 570,142.99/x - Step 3: Cross multiply
1,053,577.85x = 1,453,937.43 × 570,142.99 - Step 4: Simplify right side
1,053,577.85x = 828,952,233,613.12 - Step 5: Solve for x
x = 828,952,233,613.12/1,053,577.85 - Step 6: Final answer
x = 786,797.32
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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.