Finding the Fourth Proportional to 1,218,618.74, 1,828,301.79 and 545,266.82
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Solution
The fourth proportional to 1,218,618.74, 1,828,301.79 and 545,266.82 is: 818,067.43
Step by Step Solution
- Step 1: Write the proportion equation
1,218,618.74 : 1,828,301.79 = 545,266.82 : x - Step 2: Convert to fraction form
1,218,618.74/1,828,301.79 = 545,266.82/x - Step 3: Cross multiply
1,218,618.74x = 1,828,301.79 × 545,266.82 - Step 4: Simplify right side
1,218,618.74x = 996,912,303,033.61 - Step 5: Solve for x
x = 996,912,303,033.61/1,218,618.74 - Step 6: Final answer
x = 818,067.43
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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.