Finding the Fourth Proportional to 1,325,509.62, 1,829,138.13 and 752,474.58
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Solution
The fourth proportional to 1,325,509.62, 1,829,138.13 and 752,474.58 is: 1,038,377.94
Step by Step Solution
- Step 1: Write the proportion equation
1,325,509.62 : 1,829,138.13 = 752,474.58 : x - Step 2: Convert to fraction form
1,325,509.62/1,829,138.13 = 752,474.58/x - Step 3: Cross multiply
1,325,509.62x = 1,829,138.13 × 752,474.58 - Step 4: Simplify right side
1,325,509.62x = 1,376,379,946,133.74 - Step 5: Solve for x
x = 1,376,379,946,133.74/1,325,509.62 - Step 6: Final answer
x = 1,038,377.94
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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.