Finding the Fourth Proportional to 1,037,122.84, 1,431,323.49 and 629,328
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Solution
The fourth proportional to 1,037,122.84, 1,431,323.49 and 629,328 is: 868,529.66
Step by Step Solution
- Step 1: Write the proportion equation
1,037,122.84 : 1,431,323.49 = 629,328 : x - Step 2: Convert to fraction form
1,037,122.84/1,431,323.49 = 629,328/x - Step 3: Cross multiply
1,037,122.84x = 1,431,323.49 × 629,328 - Step 4: Simplify right side
1,037,122.84x = 900,771,949,314.72 - Step 5: Solve for x
x = 900,771,949,314.72/1,037,122.84 - Step 6: Final answer
x = 868,529.66
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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.