Finding the Fourth Proportional to 1,215,790.08, 1,677,869.84 and 807,252.32
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Solution
The fourth proportional to 1,215,790.08, 1,677,869.84 and 807,252.32 is: 1,114,061.01
Step by Step Solution
- Step 1: Write the proportion equation
1,215,790.08 : 1,677,869.84 = 807,252.32 : x - Step 2: Convert to fraction form
1,215,790.08/1,677,869.84 = 807,252.32/x - Step 3: Cross multiply
1,215,790.08x = 1,677,869.84 × 807,252.32 - Step 4: Simplify right side
1,215,790.08x = 1,354,464,320,998.03 - Step 5: Solve for x
x = 1,354,464,320,998.03/1,215,790.08 - Step 6: Final answer
x = 1,114,061.01
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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.