Finding the Fourth Proportional to 1,278,469.80, 1,764,325.26 and 705,547.08
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Solution
The fourth proportional to 1,278,469.80, 1,764,325.26 and 705,547.08 is: 973,675.35
Step by Step Solution
- Step 1: Write the proportion equation
1,278,469.80 : 1,764,325.26 = 705,547.08 : x - Step 2: Convert to fraction form
1,278,469.80/1,764,325.26 = 705,547.08/x - Step 3: Cross multiply
1,278,469.80x = 1,764,325.26 × 705,547.08 - Step 4: Simplify right side
1,278,469.80x = 1,244,814,535,363.24 - Step 5: Solve for x
x = 1,244,814,535,363.24/1,278,469.80 - Step 6: Final answer
x = 973,675.35
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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.