Finding the Fourth Proportional to 1,246,773.02, 1,719,748.95 and 864,660.38
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Solution
The fourth proportional to 1,246,773.02, 1,719,748.95 and 864,660.38 is: 1,192,678.02
Step by Step Solution
- Step 1: Write the proportion equation
1,246,773.02 : 1,719,748.95 = 864,660.38 : x - Step 2: Convert to fraction form
1,246,773.02/1,719,748.95 = 864,660.38/x - Step 3: Cross multiply
1,246,773.02x = 1,719,748.95 × 864,660.38 - Step 4: Simplify right side
1,246,773.02x = 1,486,998,780,611.60 - Step 5: Solve for x
x = 1,486,998,780,611.60/1,246,773.02 - Step 6: Final answer
x = 1,192,678.02
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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.