Finding the Fourth Proportional to 1,096,863.12, 1,513,695.60 and 775,140.84
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Solution
The fourth proportional to 1,096,863.12, 1,513,695.60 and 775,140.84 is: 1,069,711.67
Step by Step Solution
- Step 1: Write the proportion equation
1,096,863.12 : 1,513,695.60 = 775,140.84 : x - Step 2: Convert to fraction form
1,096,863.12/1,513,695.60 = 775,140.84/x - Step 3: Cross multiply
1,096,863.12x = 1,513,695.60 × 775,140.84 - Step 4: Simplify right side
1,096,863.12x = 1,173,327,278,888.30 - Step 5: Solve for x
x = 1,173,327,278,888.30/1,096,863.12 - Step 6: Final answer
x = 1,069,711.67
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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.