Finding the Fourth Proportional to 936,892.08, 1,293,656.40 and 865,245.96
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Solution
The fourth proportional to 936,892.08, 1,293,656.40 and 865,245.96 is: 1,194,727.76
Step by Step Solution
- Step 1: Write the proportion equation
936,892.08 : 1,293,656.40 = 865,245.96 : x - Step 2: Convert to fraction form
936,892.08/1,293,656.40 = 865,245.96/x - Step 3: Cross multiply
936,892.08x = 1,293,656.40 × 865,245.96 - Step 4: Simplify right side
936,892.08x = 1,119,330,973,728.14 - Step 5: Solve for x
x = 1,119,330,973,728.14/936,892.08 - Step 6: Final answer
x = 1,194,727.76
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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.