Finding the Fourth Proportional to 1,342,899.84, 1,853,130.24 and 769,912.32
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Solution
The fourth proportional to 1,342,899.84, 1,853,130.24 and 769,912.32 is: 1,062,437.99
Step by Step Solution
- Step 1: Write the proportion equation
1,342,899.84 : 1,853,130.24 = 769,912.32 : x - Step 2: Convert to fraction form
1,342,899.84/1,853,130.24 = 769,912.32/x - Step 3: Cross multiply
1,342,899.84x = 1,853,130.24 × 769,912.32 - Step 4: Simplify right side
1,342,899.84x = 1,426,747,802,340.56 - Step 5: Solve for x
x = 1,426,747,802,340.56/1,342,899.84 - Step 6: Final answer
x = 1,062,437.99
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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.