Finding the Fourth Proportional to 1,327,252.21, 1,831,805.13 and 811,303.63
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Solution
The fourth proportional to 1,327,252.21, 1,831,805.13 and 811,303.63 is: 1,119,719.48
Step by Step Solution
- Step 1: Write the proportion equation
1,327,252.21 : 1,831,805.13 = 811,303.63 : x - Step 2: Convert to fraction form
1,327,252.21/1,831,805.13 = 811,303.63/x - Step 3: Cross multiply
1,327,252.21x = 1,831,805.13 × 811,303.63 - Step 4: Simplify right side
1,327,252.21x = 1,486,150,151,421.62 - Step 5: Solve for x
x = 1,486,150,151,421.62/1,327,252.21 - Step 6: Final answer
x = 1,119,719.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.