Finding the Fourth Proportional to 1,317,361.34, 1,817,934.97 and 744,389.14
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Solution
The fourth proportional to 1,317,361.34, 1,817,934.97 and 744,389.14 is: 1,027,243.63
Step by Step Solution
- Step 1: Write the proportion equation
1,317,361.34 : 1,817,934.97 = 744,389.14 : x - Step 2: Convert to fraction form
1,317,361.34/1,817,934.97 = 744,389.14/x - Step 3: Cross multiply
1,317,361.34x = 1,817,934.97 × 744,389.14 - Step 4: Simplify right side
1,317,361.34x = 1,353,251,048,894.23 - Step 5: Solve for x
x = 1,353,251,048,894.23/1,317,361.34 - Step 6: Final answer
x = 1,027,243.63
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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.