Finding the Fourth Proportional to 1,416,539.69, 1,954,767.79 and 771,946.05
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Solution
The fourth proportional to 1,416,539.69, 1,954,767.79 and 771,946.05 is: 1,065,254.49
Step by Step Solution
- Step 1: Write the proportion equation
1,416,539.69 : 1,954,767.79 = 771,946.05 : x - Step 2: Convert to fraction form
1,416,539.69/1,954,767.79 = 771,946.05/x - Step 3: Cross multiply
1,416,539.69x = 1,954,767.79 × 771,946.05 - Step 4: Simplify right side
1,416,539.69x = 1,508,975,267,115.28 - Step 5: Solve for x
x = 1,508,975,267,115.28/1,416,539.69 - Step 6: Final answer
x = 1,065,254.49
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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.