Finding the Fourth Proportional to 1,310,521.95, 1,808,221.10 and 737,352.99
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Solution
The fourth proportional to 1,310,521.95, 1,808,221.10 and 737,352.99 is: 1,017,378.79
Step by Step Solution
- Step 1: Write the proportion equation
1,310,521.95 : 1,808,221.10 = 737,352.99 : x - Step 2: Convert to fraction form
1,310,521.95/1,808,221.10 = 737,352.99/x - Step 3: Cross multiply
1,310,521.95x = 1,808,221.10 × 737,352.99 - Step 4: Simplify right side
1,310,521.95x = 1,333,297,225,624.98 - Step 5: Solve for x
x = 1,333,297,225,624.98/1,310,521.95 - Step 6: Final answer
x = 1,017,378.79
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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.