Finding the Fourth Proportional to 1,369,717.68, 1,890,164.73 and 757,871.63
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Solution
The fourth proportional to 1,369,717.68, 1,890,164.73 and 757,871.63 is: 1,045,837.58
Step by Step Solution
- Step 1: Write the proportion equation
1,369,717.68 : 1,890,164.73 = 757,871.63 : x - Step 2: Convert to fraction form
1,369,717.68/1,890,164.73 = 757,871.63/x - Step 3: Cross multiply
1,369,717.68x = 1,890,164.73 × 757,871.63 - Step 4: Simplify right side
1,369,717.68x = 1,432,502,224,893.61 - Step 5: Solve for x
x = 1,432,502,224,893.61/1,369,717.68 - Step 6: Final answer
x = 1,045,837.58
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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.