Finding the Fourth Proportional to 1,226,368.98, 1,691,434.17 and 1,045,680.66
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Solution
The fourth proportional to 1,226,368.98, 1,691,434.17 and 1,045,680.66 is: 1,442,225.00
Step by Step Solution
- Step 1: Write the proportion equation
1,226,368.98 : 1,691,434.17 = 1,045,680.66 : x - Step 2: Convert to fraction form
1,226,368.98/1,691,434.17 = 1,045,680.66/x - Step 3: Cross multiply
1,226,368.98x = 1,691,434.17 × 1,045,680.66 - Step 4: Simplify right side
1,226,368.98x = 1,768,699,999,232.15 - Step 5: Solve for x
x = 1,768,699,999,232.15/1,226,368.98 - Step 6: Final answer
x = 1,442,225.00
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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.