Finding the Fourth Proportional to 1,272,020.76, 1,908,021.42 and 325,389.96
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Solution
The fourth proportional to 1,272,020.76, 1,908,021.42 and 325,389.96 is: 488,082.45
Step by Step Solution
- Step 1: Write the proportion equation
1,272,020.76 : 1,908,021.42 = 325,389.96 : x - Step 2: Convert to fraction form
1,272,020.76/1,908,021.42 = 325,389.96/x - Step 3: Cross multiply
1,272,020.76x = 1,908,021.42 × 325,389.96 - Step 4: Simplify right side
1,272,020.76x = 620,851,013,532.94 - Step 5: Solve for x
x = 620,851,013,532.94/1,272,020.76 - Step 6: Final answer
x = 488,082.45
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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.