Finding the Fourth Proportional to 1,259,130.34, 1,737,549.24 and 686,158.18
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Solution
The fourth proportional to 1,259,130.34, 1,737,549.24 and 686,158.18 is: 946,870.70
Step by Step Solution
- Step 1: Write the proportion equation
1,259,130.34 : 1,737,549.24 = 686,158.18 : x - Step 2: Convert to fraction form
1,259,130.34/1,737,549.24 = 686,158.18/x - Step 3: Cross multiply
1,259,130.34x = 1,737,549.24 × 686,158.18 - Step 4: Simplify right side
1,259,130.34x = 1,192,233,624,178.78 - Step 5: Solve for x
x = 1,192,233,624,178.78/1,259,130.34 - Step 6: Final answer
x = 946,870.70
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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.