Finding the Fourth Proportional to 1,203,471.10, 1,660,572.39 and 773,652.70
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Solution
The fourth proportional to 1,203,471.10, 1,660,572.39 and 773,652.70 is: 1,067,500.76
Step by Step Solution
- Step 1: Write the proportion equation
1,203,471.10 : 1,660,572.39 = 773,652.70 : x - Step 2: Convert to fraction form
1,203,471.10/1,660,572.39 = 773,652.70/x - Step 3: Cross multiply
1,203,471.10x = 1,660,572.39 × 773,652.70 - Step 4: Simplify right side
1,203,471.10x = 1,284,706,313,068.95 - Step 5: Solve for x
x = 1,284,706,313,068.95/1,203,471.10 - Step 6: Final answer
x = 1,067,500.76
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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.