Finding the Fourth Proportional to 1,310,521.70, 1,808,220.75 and 737,352.74
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Solution
The fourth proportional to 1,310,521.70, 1,808,220.75 and 737,352.74 is: 1,017,378.44
Step by Step Solution
- Step 1: Write the proportion equation
1,310,521.70 : 1,808,220.75 = 737,352.74 : x - Step 2: Convert to fraction form
1,310,521.70/1,808,220.75 = 737,352.74/x - Step 3: Cross multiply
1,310,521.70x = 1,808,220.75 × 737,352.74 - Step 4: Simplify right side
1,310,521.70x = 1,333,296,515,496.25 - Step 5: Solve for x
x = 1,333,296,515,496.25/1,310,521.70 - Step 6: Final answer
x = 1,017,378.44
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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.