Finding the Fourth Proportional to 1,114,894.80, 1,539,025.92 and 752,808.96
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Solution
The fourth proportional to 1,114,894.80, 1,539,025.92 and 752,808.96 is: 1,039,194.46
Step by Step Solution
- Step 1: Write the proportion equation
1,114,894.80 : 1,539,025.92 = 752,808.96 : x - Step 2: Convert to fraction form
1,114,894.80/1,539,025.92 = 752,808.96/x - Step 3: Cross multiply
1,114,894.80x = 1,539,025.92 × 752,808.96 - Step 4: Simplify right side
1,114,894.80x = 1,158,592,502,248.24 - Step 5: Solve for x
x = 1,158,592,502,248.24/1,114,894.80 - Step 6: Final answer
x = 1,039,194.46
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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.