Finding the Fourth Proportional to 1,369,986.18, 1,890,534.48 and 758,164.82
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Solution
The fourth proportional to 1,369,986.18, 1,890,534.48 and 758,164.82 is: 1,046,241.75
Step by Step Solution
- Step 1: Write the proportion equation
1,369,986.18 : 1,890,534.48 = 758,164.82 : x - Step 2: Convert to fraction form
1,369,986.18/1,890,534.48 = 758,164.82/x - Step 3: Cross multiply
1,369,986.18x = 1,890,534.48 × 758,164.82 - Step 4: Simplify right side
1,369,986.18x = 1,433,336,733,732.99 - Step 5: Solve for x
x = 1,433,336,733,732.99/1,369,986.18 - Step 6: Final answer
x = 1,046,241.75
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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.