Finding the Fourth Proportional to 1,134,286.05, 1,565,425.06 and 847,307.91
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Solution
The fourth proportional to 1,134,286.05, 1,565,425.06 and 847,307.91 is: 1,169,367.32
Step by Step Solution
- Step 1: Write the proportion equation
1,134,286.05 : 1,565,425.06 = 847,307.91 : x - Step 2: Convert to fraction form
1,134,286.05/1,565,425.06 = 847,307.91/x - Step 3: Cross multiply
1,134,286.05x = 1,565,425.06 × 847,307.91 - Step 4: Simplify right side
1,134,286.05x = 1,326,397,035,850.22 - Step 5: Solve for x
x = 1,326,397,035,850.22/1,134,286.05 - Step 6: Final answer
x = 1,169,367.32
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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.