Finding the Fourth Proportional to 1,284,214.18, 1,772,230.44 and 711,263.92
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Solution
The fourth proportional to 1,284,214.18, 1,772,230.44 and 711,263.92 is: 981,552.45
Step by Step Solution
- Step 1: Write the proportion equation
1,284,214.18 : 1,772,230.44 = 711,263.92 : x - Step 2: Convert to fraction form
1,284,214.18/1,772,230.44 = 711,263.92/x - Step 3: Cross multiply
1,284,214.18x = 1,772,230.44 × 711,263.92 - Step 4: Simplify right side
1,284,214.18x = 1,260,523,569,897.72 - Step 5: Solve for x
x = 1,260,523,569,897.72/1,284,214.18 - Step 6: Final answer
x = 981,552.45
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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.