Finding the Fourth Proportional to 1,296,749.12, 1,787,371.68 and 866,872.40
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Solution
The fourth proportional to 1,296,749.12, 1,787,371.68 and 866,872.40 is: 1,194,851.92
Step by Step Solution
- Step 1: Write the proportion equation
1,296,749.12 : 1,787,371.68 = 866,872.40 : x - Step 2: Convert to fraction form
1,296,749.12/1,787,371.68 = 866,872.40/x - Step 3: Cross multiply
1,296,749.12x = 1,787,371.68 × 866,872.40 - Step 4: Simplify right side
1,296,749.12x = 1,549,423,177,933.63 - Step 5: Solve for x
x = 1,549,423,177,933.63/1,296,749.12 - Step 6: Final answer
x = 1,194,851.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.