Finding the Fourth Proportional to 1,107,026.01, 1,660,634.16 and 308,307.55
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Solution
The fourth proportional to 1,107,026.01, 1,660,634.16 and 308,307.55 is: 462,487.82
Step by Step Solution
- Step 1: Write the proportion equation
1,107,026.01 : 1,660,634.16 = 308,307.55 : x - Step 2: Convert to fraction form
1,107,026.01/1,660,634.16 = 308,307.55/x - Step 3: Cross multiply
1,107,026.01x = 1,660,634.16 × 308,307.55 - Step 4: Simplify right side
1,107,026.01x = 511,986,049,315.91 - Step 5: Solve for x
x = 511,986,049,315.91/1,107,026.01 - Step 6: Final answer
x = 462,487.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.