Finding the Fourth Proportional to 1,134,974.79, 1,566,282.57 and 618,728.99
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Solution
The fourth proportional to 1,134,974.79, 1,566,282.57 and 618,728.99 is: 853,855.46
Step by Step Solution
- Step 1: Write the proportion equation
1,134,974.79 : 1,566,282.57 = 618,728.99 : x - Step 2: Convert to fraction form
1,134,974.79/1,566,282.57 = 618,728.99/x - Step 3: Cross multiply
1,134,974.79x = 1,566,282.57 × 618,728.99 - Step 4: Simplify right side
1,134,974.79x = 969,104,424,759.29 - Step 5: Solve for x
x = 969,104,424,759.29/1,134,974.79 - Step 6: Final answer
x = 853,855.46
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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.