Finding the Fourth Proportional to 1,317,926.14, 1,818,716.41 and 737,162.83
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Solution
The fourth proportional to 1,317,926.14, 1,818,716.41 and 737,162.83 is: 1,017,272.59
Step by Step Solution
- Step 1: Write the proportion equation
1,317,926.14 : 1,818,716.41 = 737,162.83 : x - Step 2: Convert to fraction form
1,317,926.14/1,818,716.41 = 737,162.83/x - Step 3: Cross multiply
1,317,926.14x = 1,818,716.41 × 737,162.83 - Step 4: Simplify right side
1,317,926.14x = 1,340,690,135,763.04 - Step 5: Solve for x
x = 1,340,690,135,763.04/1,317,926.14 - Step 6: Final answer
x = 1,017,272.59
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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.