Finding the Fourth Proportional to 1,153,571.42, 1,729,232.42 and 460,931.99
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Solution
The fourth proportional to 1,153,571.42, 1,729,232.42 and 460,931.99 is: 690,948.57
Step by Step Solution
- Step 1: Write the proportion equation
1,153,571.42 : 1,729,232.42 = 460,931.99 : x - Step 2: Convert to fraction form
1,153,571.42/1,729,232.42 = 460,931.99/x - Step 3: Cross multiply
1,153,571.42x = 1,729,232.42 × 460,931.99 - Step 4: Simplify right side
1,153,571.42x = 797,058,529,572.29 - Step 5: Solve for x
x = 797,058,529,572.29/1,153,571.42 - Step 6: Final answer
x = 690,948.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.