Finding the Fourth Proportional to 1,148,138.62, 1,722,597.10 and 508,354.26
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Solution
The fourth proportional to 1,148,138.62, 1,722,597.10 and 508,354.26 is: 762,703.70
Step by Step Solution
- Step 1: Write the proportion equation
1,148,138.62 : 1,722,597.10 = 508,354.26 : x - Step 2: Convert to fraction form
1,148,138.62/1,722,597.10 = 508,354.26/x - Step 3: Cross multiply
1,148,138.62x = 1,722,597.10 × 508,354.26 - Step 4: Simplify right side
1,148,138.62x = 875,689,574,048.65 - Step 5: Solve for x
x = 875,689,574,048.65/1,148,138.62 - Step 6: Final answer
x = 762,703.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.