Finding the Fourth Proportional to 1,312,327.68, 1,968,304.59 and 413,652.62
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Solution
The fourth proportional to 1,312,327.68, 1,968,304.59 and 413,652.62 is: 620,420.00
Step by Step Solution
- Step 1: Write the proportion equation
1,312,327.68 : 1,968,304.59 = 413,652.62 : x - Step 2: Convert to fraction form
1,312,327.68/1,968,304.59 = 413,652.62/x - Step 3: Cross multiply
1,312,327.68x = 1,968,304.59 × 413,652.62 - Step 4: Simplify right side
1,312,327.68x = 814,194,340,770.00 - Step 5: Solve for x
x = 814,194,340,770.00/1,312,327.68 - Step 6: Final answer
x = 620,420.00
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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.