Finding the Fourth Proportional to 1,277,231.99, 1,762,516.80 and 725,875.61
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Solution
The fourth proportional to 1,277,231.99, 1,762,516.80 and 725,875.61 is: 1,001,672.34
Step by Step Solution
- Step 1: Write the proportion equation
1,277,231.99 : 1,762,516.80 = 725,875.61 : x - Step 2: Convert to fraction form
1,277,231.99/1,762,516.80 = 725,875.61/x - Step 3: Cross multiply
1,277,231.99x = 1,762,516.80 × 725,875.61 - Step 4: Simplify right side
1,277,231.99x = 1,279,367,948,522.66 - Step 5: Solve for x
x = 1,279,367,948,522.66/1,277,231.99 - Step 6: Final answer
x = 1,001,672.34
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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.