Finding the Fourth Proportional to 1,018,387.68, 1,405,419.48 and 565,678.68
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Solution
The fourth proportional to 1,018,387.68, 1,405,419.48 and 565,678.68 is: 780,661.29
Step by Step Solution
- Step 1: Write the proportion equation
1,018,387.68 : 1,405,419.48 = 565,678.68 : x - Step 2: Convert to fraction form
1,018,387.68/1,405,419.48 = 565,678.68/x - Step 3: Cross multiply
1,018,387.68x = 1,405,419.48 × 565,678.68 - Step 4: Simplify right side
1,018,387.68x = 795,015,836,292.69 - Step 5: Solve for x
x = 795,015,836,292.69/1,018,387.68 - Step 6: Final answer
x = 780,661.29
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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.