Finding the Fourth Proportional to 1,217,343.44, 1,679,932.68 and 680,799.44
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Solution
The fourth proportional to 1,217,343.44, 1,679,932.68 and 680,799.44 is: 939,502.52
Step by Step Solution
- Step 1: Write the proportion equation
1,217,343.44 : 1,679,932.68 = 680,799.44 : x - Step 2: Convert to fraction form
1,217,343.44/1,679,932.68 = 680,799.44/x - Step 3: Cross multiply
1,217,343.44x = 1,679,932.68 × 680,799.44 - Step 4: Simplify right side
1,217,343.44x = 1,143,697,227,781.70 - Step 5: Solve for x
x = 1,143,697,227,781.70/1,217,343.44 - Step 6: Final answer
x = 939,502.52
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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.