Finding the Fourth Proportional to 1,456,330.08, 2,009,744.64 and 811,790.88
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Solution
The fourth proportional to 1,456,330.08, 2,009,744.64 and 811,790.88 is: 1,120,276.50
Step by Step Solution
- Step 1: Write the proportion equation
1,456,330.08 : 2,009,744.64 = 811,790.88 : x - Step 2: Convert to fraction form
1,456,330.08/2,009,744.64 = 811,790.88/x - Step 3: Cross multiply
1,456,330.08x = 2,009,744.64 × 811,790.88 - Step 4: Simplify right side
1,456,330.08x = 1,631,492,369,880.88 - Step 5: Solve for x
x = 1,631,492,369,880.88/1,456,330.08 - Step 6: Final answer
x = 1,120,276.50
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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.