Finding the Fourth Proportional to 1,310,562.42, 1,808,634.33 and 737,639.70
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Solution
The fourth proportional to 1,310,562.42, 1,808,634.33 and 737,639.70 is: 1,017,975.54
Step by Step Solution
- Step 1: Write the proportion equation
1,310,562.42 : 1,808,634.33 = 737,639.70 : x - Step 2: Convert to fraction form
1,310,562.42/1,808,634.33 = 737,639.70/x - Step 3: Cross multiply
1,310,562.42x = 1,808,634.33 × 737,639.70 - Step 4: Simplify right side
1,310,562.42x = 1,334,120,484,590.90 - Step 5: Solve for x
x = 1,334,120,484,590.90/1,310,562.42 - Step 6: Final answer
x = 1,017,975.54
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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.