Finding the Fourth Proportional to 1,424,439.71, 1,965,652.13 and 779,736.41
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Solution
The fourth proportional to 1,424,439.71, 1,965,652.13 and 779,736.41 is: 1,075,995.37
Step by Step Solution
- Step 1: Write the proportion equation
1,424,439.71 : 1,965,652.13 = 779,736.41 : x - Step 2: Convert to fraction form
1,424,439.71/1,965,652.13 = 779,736.41/x - Step 3: Cross multiply
1,424,439.71x = 1,965,652.13 × 779,736.41 - Step 4: Simplify right side
1,424,439.71x = 1,532,690,527,276.13 - Step 5: Solve for x
x = 1,532,690,527,276.13/1,424,439.71 - Step 6: Final answer
x = 1,075,995.37
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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.