Finding the Fourth Proportional to 1,206,817.60, 1,810,115.76 and 408,106.08
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Solution
The fourth proportional to 1,206,817.60, 1,810,115.76 and 408,106.08 is: 612,121.71
Step by Step Solution
- Step 1: Write the proportion equation
1,206,817.60 : 1,810,115.76 = 408,106.08 : x - Step 2: Convert to fraction form
1,206,817.60/1,810,115.76 = 408,106.08/x - Step 3: Cross multiply
1,206,817.60x = 1,810,115.76 × 408,106.08 - Step 4: Simplify right side
1,206,817.60x = 738,719,247,159.82 - Step 5: Solve for x
x = 738,719,247,159.82/1,206,817.60 - Step 6: Final answer
x = 612,121.71
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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.