Finding the Fourth Proportional to 1,424,051.24, 1,965,240.68 and 779,471.96
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Solution
The fourth proportional to 1,424,051.24, 1,965,240.68 and 779,471.96 is: 1,075,698.64
Step by Step Solution
- Step 1: Write the proportion equation
1,424,051.24 : 1,965,240.68 = 779,471.96 : x - Step 2: Convert to fraction form
1,424,051.24/1,965,240.68 = 779,471.96/x - Step 3: Cross multiply
1,424,051.24x = 1,965,240.68 × 779,471.96 - Step 4: Simplify right side
1,424,051.24x = 1,531,849,990,987.77 - Step 5: Solve for x
x = 1,531,849,990,987.77/1,424,051.24 - Step 6: Final answer
x = 1,075,698.64
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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.