Finding the Fourth Proportional to 1,068,827.18, 1,474,991.91 and 639,107.33
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Solution
The fourth proportional to 1,068,827.18, 1,474,991.91 and 639,107.33 is: 881,974.33
Step by Step Solution
- Step 1: Write the proportion equation
1,068,827.18 : 1,474,991.91 = 639,107.33 : x - Step 2: Convert to fraction form
1,068,827.18/1,474,991.91 = 639,107.33/x - Step 3: Cross multiply
1,068,827.18x = 1,474,991.91 × 639,107.33 - Step 4: Simplify right side
1,068,827.18x = 942,678,133,996.74 - Step 5: Solve for x
x = 942,678,133,996.74/1,068,827.18 - Step 6: Final answer
x = 881,974.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.