Finding the Fourth Proportional to 1,424,435.91, 1,965,727.31 and 779,916.08
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Solution
The fourth proportional to 1,424,435.91, 1,965,727.31 and 779,916.08 is: 1,076,287.33
Step by Step Solution
- Step 1: Write the proportion equation
1,424,435.91 : 1,965,727.31 = 779,916.08 : x - Step 2: Convert to fraction form
1,424,435.91/1,965,727.31 = 779,916.08/x - Step 3: Cross multiply
1,424,435.91x = 1,965,727.31 × 779,916.08 - Step 4: Simplify right side
1,424,435.91x = 1,533,102,324,235.93 - Step 5: Solve for x
x = 1,533,102,324,235.93/1,424,435.91 - Step 6: Final answer
x = 1,076,287.33
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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.