Finding the Fourth Proportional to 1,259,895.18, 1,738,682.80 and 686,937.62
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Solution
The fourth proportional to 1,259,895.18, 1,738,682.80 and 686,937.62 is: 947,988.88
Step by Step Solution
- Step 1: Write the proportion equation
1,259,895.18 : 1,738,682.80 = 686,937.62 : x - Step 2: Convert to fraction form
1,259,895.18/1,738,682.80 = 686,937.62/x - Step 3: Cross multiply
1,259,895.18x = 1,738,682.80 × 686,937.62 - Step 4: Simplify right side
1,259,895.18x = 1,194,366,624,566.94 - Step 5: Solve for x
x = 1,194,366,624,566.94/1,259,895.18 - Step 6: Final answer
x = 947,988.88
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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.