Finding the Fourth Proportional to 1,413,716.80, 2,119,848.80 and 416,315.20
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Solution
The fourth proportional to 1,413,716.80, 2,119,848.80 and 416,315.20 is: 624,258.89
Step by Step Solution
- Step 1: Write the proportion equation
1,413,716.80 : 2,119,848.80 = 416,315.20 : x - Step 2: Convert to fraction form
1,413,716.80/2,119,848.80 = 416,315.20/x - Step 3: Cross multiply
1,413,716.80x = 2,119,848.80 × 416,315.20 - Step 4: Simplify right side
1,413,716.80x = 882,525,277,141.76 - Step 5: Solve for x
x = 882,525,277,141.76/1,413,716.80 - Step 6: Final answer
x = 624,258.89
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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.