Finding the Fourth Proportional to 1,274,883.55, 1,758,812.14 and 758,534.20
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Solution
The fourth proportional to 1,274,883.55, 1,758,812.14 and 758,534.20 is: 1,046,463.55
Step by Step Solution
- Step 1: Write the proportion equation
1,274,883.55 : 1,758,812.14 = 758,534.20 : x - Step 2: Convert to fraction form
1,274,883.55/1,758,812.14 = 758,534.20/x - Step 3: Cross multiply
1,274,883.55x = 1,758,812.14 × 758,534.20 - Step 4: Simplify right side
1,274,883.55x = 1,334,119,159,565.19 - Step 5: Solve for x
x = 1,334,119,159,565.19/1,274,883.55 - Step 6: Final answer
x = 1,046,463.55
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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.