Finding the Fourth Proportional to 1,272,862.23, 1,910,124 and 474,782.19
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Solution
The fourth proportional to 1,272,862.23, 1,910,124 and 474,782.19 is: 712,483.12
Step by Step Solution
- Step 1: Write the proportion equation
1,272,862.23 : 1,910,124 = 474,782.19 : x - Step 2: Convert to fraction form
1,272,862.23/1,910,124 = 474,782.19/x - Step 3: Cross multiply
1,272,862.23x = 1,910,124 × 474,782.19 - Step 4: Simplify right side
1,272,862.23x = 906,892,855,891.56 - Step 5: Solve for x
x = 906,892,855,891.56/1,272,862.23 - Step 6: Final answer
x = 712,483.12
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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.