Finding the Fourth Proportional to 1,100,673.18, 1,516,872.24 and 858,572.28
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Solution
The fourth proportional to 1,100,673.18, 1,516,872.24 and 858,572.28 is: 1,183,225.39
Step by Step Solution
- Step 1: Write the proportion equation
1,100,673.18 : 1,516,872.24 = 858,572.28 : x - Step 2: Convert to fraction form
1,100,673.18/1,516,872.24 = 858,572.28/x - Step 3: Cross multiply
1,100,673.18x = 1,516,872.24 × 858,572.28 - Step 4: Simplify right side
1,100,673.18x = 1,302,344,457,565.51 - Step 5: Solve for x
x = 1,302,344,457,565.51/1,100,673.18 - Step 6: Final answer
x = 1,183,225.39
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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.