Finding the Fourth Proportional to 1,423,717.28, 1,965,646.79 and 1,270,491.98
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Solution
The fourth proportional to 1,423,717.28, 1,965,646.79 and 1,270,491.98 is: 1,754,097.19
Step by Step Solution
- Step 1: Write the proportion equation
1,423,717.28 : 1,965,646.79 = 1,270,491.98 : x - Step 2: Convert to fraction form
1,423,717.28/1,965,646.79 = 1,270,491.98/x - Step 3: Cross multiply
1,423,717.28x = 1,965,646.79 × 1,270,491.98 - Step 4: Simplify right side
1,423,717.28x = 2,497,338,466,027.05 - Step 5: Solve for x
x = 2,497,338,466,027.05/1,423,717.28 - Step 6: Final answer
x = 1,754,097.19
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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.