Finding the Fourth Proportional to 1,426,920.75, 2,139,251.97 and 706,752.60
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Solution
The fourth proportional to 1,426,920.75, 2,139,251.97 and 706,752.60 is: 1,059,569.63
Step by Step Solution
- Step 1: Write the proportion equation
1,426,920.75 : 2,139,251.97 = 706,752.60 : x - Step 2: Convert to fraction form
1,426,920.75/2,139,251.97 = 706,752.60/x - Step 3: Cross multiply
1,426,920.75x = 2,139,251.97 × 706,752.60 - Step 4: Simplify right side
1,426,920.75x = 1,511,921,891,852.62 - Step 5: Solve for x
x = 1,511,921,891,852.62/1,426,920.75 - Step 6: Final answer
x = 1,059,569.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.