Finding the Fourth Proportional to 1,351,834.24, 1,865,946.96 and 779,257.12
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Solution
The fourth proportional to 1,351,834.24, 1,865,946.96 and 779,257.12 is: 1,075,614.46
Step by Step Solution
- Step 1: Write the proportion equation
1,351,834.24 : 1,865,946.96 = 779,257.12 : x - Step 2: Convert to fraction form
1,351,834.24/1,865,946.96 = 779,257.12/x - Step 3: Cross multiply
1,351,834.24x = 1,865,946.96 × 779,257.12 - Step 4: Simplify right side
1,351,834.24x = 1,454,052,454,122.36 - Step 5: Solve for x
x = 1,454,052,454,122.36/1,351,834.24 - Step 6: Final answer
x = 1,075,614.46
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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.