Finding the Fourth Proportional to 1,278,248.71, 1,764,020.14 and 705,325.79
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Solution
The fourth proportional to 1,278,248.71, 1,764,020.14 and 705,325.79 is: 973,369.95
Step by Step Solution
- Step 1: Write the proportion equation
1,278,248.71 : 1,764,020.14 = 705,325.79 : x - Step 2: Convert to fraction form
1,278,248.71/1,764,020.14 = 705,325.79/x - Step 3: Cross multiply
1,278,248.71x = 1,764,020.14 × 705,325.79 - Step 4: Simplify right side
1,278,248.71x = 1,244,208,886,474.68 - Step 5: Solve for x
x = 1,244,208,886,474.68/1,278,248.71 - Step 6: Final answer
x = 973,369.95
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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.