Finding the Fourth Proportional to 1,118,776.80, 1,677,157.56 and 408,306.36
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Solution
The fourth proportional to 1,118,776.80, 1,677,157.56 and 408,306.36 is: 612,091.79
Step by Step Solution
- Step 1: Write the proportion equation
1,118,776.80 : 1,677,157.56 = 408,306.36 : x - Step 2: Convert to fraction form
1,118,776.80/1,677,157.56 = 408,306.36/x - Step 3: Cross multiply
1,118,776.80x = 1,677,157.56 × 408,306.36 - Step 4: Simplify right side
1,118,776.80x = 684,794,098,470.08 - Step 5: Solve for x
x = 684,794,098,470.08/1,118,776.80 - Step 6: Final answer
x = 612,091.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.