Finding the Fourth Proportional to 1,423,732.05, 1,964,723.99 and 779,139.32
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Solution
The fourth proportional to 1,423,732.05, 1,964,723.99 and 779,139.32 is: 1,075,197.89
Step by Step Solution
- Step 1: Write the proportion equation
1,423,732.05 : 1,964,723.99 = 779,139.32 : x - Step 2: Convert to fraction form
1,423,732.05/1,964,723.99 = 779,139.32/x - Step 3: Cross multiply
1,423,732.05x = 1,964,723.99 × 779,139.32 - Step 4: Simplify right side
1,423,732.05x = 1,530,793,699,836.97 - Step 5: Solve for x
x = 1,530,793,699,836.97/1,423,732.05 - Step 6: Final answer
x = 1,075,197.89
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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.