Finding the Fourth Proportional to 1,368,901.23, 2,051,903.86 and 515,603.69
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Solution
The fourth proportional to 1,368,901.23, 2,051,903.86 and 515,603.69 is: 772,860.14
Step by Step Solution
- Step 1: Write the proportion equation
1,368,901.23 : 2,051,903.86 = 515,603.69 : x - Step 2: Convert to fraction form
1,368,901.23/2,051,903.86 = 515,603.69/x - Step 3: Cross multiply
1,368,901.23x = 2,051,903.86 × 515,603.69 - Step 4: Simplify right side
1,368,901.23x = 1,057,969,199,163.23 - Step 5: Solve for x
x = 1,057,969,199,163.23/1,368,901.23 - Step 6: Final answer
x = 772,860.14
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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.