Finding the Fourth Proportional to 1,361,787.84, 1,879,233.12 and 749,935.80
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Solution
The fourth proportional to 1,361,787.84, 1,879,233.12 and 749,935.80 is: 1,034,892.63
Step by Step Solution
- Step 1: Write the proportion equation
1,361,787.84 : 1,879,233.12 = 749,935.80 : x - Step 2: Convert to fraction form
1,361,787.84/1,879,233.12 = 749,935.80/x - Step 3: Cross multiply
1,361,787.84x = 1,879,233.12 × 749,935.80 - Step 4: Simplify right side
1,361,787.84x = 1,409,304,193,233.70 - Step 5: Solve for x
x = 1,409,304,193,233.70/1,361,787.84 - Step 6: Final answer
x = 1,034,892.63
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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.