Finding the Fourth Proportional to 1,278,197.68, 1,763,966.16 and 705,274.96
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Solution
The fourth proportional to 1,278,197.68, 1,763,966.16 and 705,274.96 is: 973,308.89
Step by Step Solution
- Step 1: Write the proportion equation
1,278,197.68 : 1,763,966.16 = 705,274.96 : x - Step 2: Convert to fraction form
1,278,197.68/1,763,966.16 = 705,274.96/x - Step 3: Cross multiply
1,278,197.68x = 1,763,966.16 × 705,274.96 - Step 4: Simplify right side
1,278,197.68x = 1,244,081,162,935.35 - Step 5: Solve for x
x = 1,244,081,162,935.35/1,278,197.68 - Step 6: Final answer
x = 973,308.89
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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.