Finding the Fourth Proportional to 1,201,281.12, 1,802,080.23 and 443,655.09
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Solution
The fourth proportional to 1,201,281.12, 1,802,080.23 and 443,655.09 is: 665,541.19
Step by Step Solution
- Step 1: Write the proportion equation
1,201,281.12 : 1,802,080.23 = 443,655.09 : x - Step 2: Convert to fraction form
1,201,281.12/1,802,080.23 = 443,655.09/x - Step 3: Cross multiply
1,201,281.12x = 1,802,080.23 × 443,655.09 - Step 4: Simplify right side
1,201,281.12x = 799,502,066,627.87 - Step 5: Solve for x
x = 799,502,066,627.87/1,201,281.12 - Step 6: Final answer
x = 665,541.19
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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.