Finding the Fourth Proportional to 965,856.74, 1,332,121.74 and 855,593.31
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Solution
The fourth proportional to 965,856.74, 1,332,121.74 and 855,593.31 is: 1,180,045.04
Step by Step Solution
- Step 1: Write the proportion equation
965,856.74 : 1,332,121.74 = 855,593.31 : x - Step 2: Convert to fraction form
965,856.74/1,332,121.74 = 855,593.31/x - Step 3: Cross multiply
965,856.74x = 1,332,121.74 × 855,593.31 - Step 4: Simplify right side
965,856.74x = 1,139,754,448,849.56 - Step 5: Solve for x
x = 1,139,754,448,849.56/965,856.74 - Step 6: Final answer
x = 1,180,045.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.