Finding the Fourth Proportional to 1,416,487.24, 1,954,702.74 and 771,894.28
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Solution
The fourth proportional to 1,416,487.24, 1,954,702.74 and 771,894.28 is: 1,065,187.05
Step by Step Solution
- Step 1: Write the proportion equation
1,416,487.24 : 1,954,702.74 = 771,894.28 : x - Step 2: Convert to fraction form
1,416,487.24/1,954,702.74 = 771,894.28/x - Step 3: Cross multiply
1,416,487.24x = 1,954,702.74 × 771,894.28 - Step 4: Simplify right side
1,416,487.24x = 1,508,823,864,106.33 - Step 5: Solve for x
x = 1,508,823,864,106.33/1,416,487.24 - Step 6: Final answer
x = 1,065,187.05
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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.