Finding the Fourth Proportional to 1,035,198.18, 1,428,605.52 and 563,737.44
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Solution
The fourth proportional to 1,035,198.18, 1,428,605.52 and 563,737.44 is: 777,975.11
Step by Step Solution
- Step 1: Write the proportion equation
1,035,198.18 : 1,428,605.52 = 563,737.44 : x - Step 2: Convert to fraction form
1,035,198.18/1,428,605.52 = 563,737.44/x - Step 3: Cross multiply
1,035,198.18x = 1,428,605.52 × 563,737.44 - Step 4: Simplify right side
1,035,198.18x = 805,358,418,614.67 - Step 5: Solve for x
x = 805,358,418,614.67/1,035,198.18 - Step 6: Final answer
x = 777,975.11
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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.