Finding the Fourth Proportional to 1,201,967.58, 1,658,652.12 and 657,999.12
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Solution
The fourth proportional to 1,201,967.58, 1,658,652.12 and 657,999.12 is: 908,004.22
Step by Step Solution
- Step 1: Write the proportion equation
1,201,967.58 : 1,658,652.12 = 657,999.12 : x - Step 2: Convert to fraction form
1,201,967.58/1,658,652.12 = 657,999.12/x - Step 3: Cross multiply
1,201,967.58x = 1,658,652.12 × 657,999.12 - Step 4: Simplify right side
1,201,967.58x = 1,091,391,635,346.13 - Step 5: Solve for x
x = 1,091,391,635,346.13/1,201,967.58 - Step 6: Final answer
x = 908,004.22
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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.