Finding the Fourth Proportional to 1,148,831.98, 1,722,449.96 and 508,786.94
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Solution
The fourth proportional to 1,148,831.98, 1,722,449.96 and 508,786.94 is: 762,826.99
Step by Step Solution
- Step 1: Write the proportion equation
1,148,831.98 : 1,722,449.96 = 508,786.94 : x - Step 2: Convert to fraction form
1,148,831.98/1,722,449.96 = 508,786.94/x - Step 3: Cross multiply
1,148,831.98x = 1,722,449.96 × 508,786.94 - Step 4: Simplify right side
1,148,831.98x = 876,360,044,451.52 - Step 5: Solve for x
x = 876,360,044,451.52/1,148,831.98 - Step 6: Final answer
x = 762,826.99
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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.