Finding the Fourth Proportional to 1,416,583.77, 1,954,828.54 and 771,990.13
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Solution
The fourth proportional to 1,416,583.77, 1,954,828.54 and 771,990.13 is: 1,065,315.28
Step by Step Solution
- Step 1: Write the proportion equation
1,416,583.77 : 1,954,828.54 = 771,990.13 : x - Step 2: Convert to fraction form
1,416,583.77/1,954,828.54 = 771,990.13/x - Step 3: Cross multiply
1,416,583.77x = 1,954,828.54 × 771,990.13 - Step 4: Simplify right side
1,416,583.77x = 1,509,108,338,722.31 - Step 5: Solve for x
x = 1,509,108,338,722.31/1,416,583.77 - Step 6: Final answer
x = 1,065,315.28
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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.