Finding the Fourth Proportional to 1,386,544.48, 2,080,585.68 and 676,578.40
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Solution
The fourth proportional to 1,386,544.48, 2,080,585.68 and 676,578.40 is: 1,015,242.82
Step by Step Solution
- Step 1: Write the proportion equation
1,386,544.48 : 2,080,585.68 = 676,578.40 : x - Step 2: Convert to fraction form
1,386,544.48/2,080,585.68 = 676,578.40/x - Step 3: Cross multiply
1,386,544.48x = 2,080,585.68 × 676,578.40 - Step 4: Simplify right side
1,386,544.48x = 1,407,679,330,437.31 - Step 5: Solve for x
x = 1,407,679,330,437.31/1,386,544.48 - Step 6: Final answer
x = 1,015,242.82
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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.