Finding the Fourth Proportional to 1,083,247.85, 1,496,439.16 and 865,170.20
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Solution
The fourth proportional to 1,083,247.85, 1,496,439.16 and 865,170.20 is: 1,195,178.53
Step by Step Solution
- Step 1: Write the proportion equation
1,083,247.85 : 1,496,439.16 = 865,170.20 : x - Step 2: Convert to fraction form
1,083,247.85/1,496,439.16 = 865,170.20/x - Step 3: Cross multiply
1,083,247.85x = 1,496,439.16 × 865,170.20 - Step 4: Simplify right side
1,083,247.85x = 1,294,674,565,182.11 - Step 5: Solve for x
x = 1,294,674,565,182.11/1,083,247.85 - Step 6: Final answer
x = 1,195,178.53
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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.