Finding the Fourth Proportional to 1,310,520.95, 1,808,219.72 and 737,351.99
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Solution
The fourth proportional to 1,310,520.95, 1,808,219.72 and 737,351.99 is: 1,017,377.41
Step by Step Solution
- Step 1: Write the proportion equation
1,310,520.95 : 1,808,219.72 = 737,351.99 : x - Step 2: Convert to fraction form
1,310,520.95/1,808,219.72 = 737,351.99/x - Step 3: Cross multiply
1,310,520.95x = 1,808,219.72 × 737,351.99 - Step 4: Simplify right side
1,310,520.95x = 1,333,294,401,701.52 - Step 5: Solve for x
x = 1,333,294,401,701.52/1,310,520.95 - Step 6: Final answer
x = 1,017,377.41
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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.