Finding the Fourth Proportional to 1,255,440.40, 1,732,487.32 and 682,495
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Solution
The fourth proportional to 1,255,440.40, 1,732,487.32 and 682,495 is: 941,831.99
Step by Step Solution
- Step 1: Write the proportion equation
1,255,440.40 : 1,732,487.32 = 682,495 : x - Step 2: Convert to fraction form
1,255,440.40/1,732,487.32 = 682,495/x - Step 3: Cross multiply
1,255,440.40x = 1,732,487.32 × 682,495 - Step 4: Simplify right side
1,255,440.40x = 1,182,413,933,463.40 - Step 5: Solve for x
x = 1,182,413,933,463.40/1,255,440.40 - Step 6: Final answer
x = 941,831.99
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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.