Finding the Fourth Proportional to 1,271,230.68, 1,752,860.70 and 811,741.08
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Solution
The fourth proportional to 1,271,230.68, 1,752,860.70 and 811,741.08 is: 1,119,284.69
Step by Step Solution
- Step 1: Write the proportion equation
1,271,230.68 : 1,752,860.70 = 811,741.08 : x - Step 2: Convert to fraction form
1,271,230.68/1,752,860.70 = 811,741.08/x - Step 3: Cross multiply
1,271,230.68x = 1,752,860.70 × 811,741.08 - Step 4: Simplify right side
1,271,230.68x = 1,422,869,037,707.56 - Step 5: Solve for x
x = 1,422,869,037,707.56/1,271,230.68 - Step 6: Final answer
x = 1,119,284.69
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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.