Finding the Fourth Proportional to 1,236,214.52, 1,705,683.62 and 699,670.52
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Solution
The fourth proportional to 1,236,214.52, 1,705,683.62 and 699,670.52 is: 965,379.82
Step by Step Solution
- Step 1: Write the proportion equation
1,236,214.52 : 1,705,683.62 = 699,670.52 : x - Step 2: Convert to fraction form
1,236,214.52/1,705,683.62 = 699,670.52/x - Step 3: Cross multiply
1,236,214.52x = 1,705,683.62 × 699,670.52 - Step 4: Simplify right side
1,236,214.52x = 1,193,416,545,360.88 - Step 5: Solve for x
x = 1,193,416,545,360.88/1,236,214.52 - Step 6: Final answer
x = 965,379.82
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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.