Finding the Fourth Proportional to 1,138,514.68, 1,708,052.19 and 802,212.13
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Solution
The fourth proportional to 1,138,514.68, 1,708,052.19 and 802,212.13 is: 1,203,515.61
Step by Step Solution
- Step 1: Write the proportion equation
1,138,514.68 : 1,708,052.19 = 802,212.13 : x - Step 2: Convert to fraction form
1,138,514.68/1,708,052.19 = 802,212.13/x - Step 3: Cross multiply
1,138,514.68x = 1,708,052.19 × 802,212.13 - Step 4: Simplify right side
1,138,514.68x = 1,370,220,185,491.06 - Step 5: Solve for x
x = 1,370,220,185,491.06/1,138,514.68 - Step 6: Final answer
x = 1,203,515.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.