Finding the Fourth Proportional to 1,424,464.96, 1,965,760.71 and 779,884.99
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Solution
The fourth proportional to 1,424,464.96, 1,965,760.71 and 779,884.99 is: 1,076,240.77
Step by Step Solution
- Step 1: Write the proportion equation
1,424,464.96 : 1,965,760.71 = 779,884.99 : x - Step 2: Convert to fraction form
1,424,464.96/1,965,760.71 = 779,884.99/x - Step 3: Cross multiply
1,424,464.96x = 1,965,760.71 × 779,884.99 - Step 4: Simplify right side
1,424,464.96x = 1,533,067,271,660.74 - Step 5: Solve for x
x = 1,533,067,271,660.74/1,424,464.96 - Step 6: Final answer
x = 1,076,240.77
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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.