Finding the Fourth Proportional to 1,135,975.64, 1,567,646.38 and 626,678.02
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Solution
The fourth proportional to 1,135,975.64, 1,567,646.38 and 626,678.02 is: 864,815.66
Step by Step Solution
- Step 1: Write the proportion equation
1,135,975.64 : 1,567,646.38 = 626,678.02 : x - Step 2: Convert to fraction form
1,135,975.64/1,567,646.38 = 626,678.02/x - Step 3: Cross multiply
1,135,975.64x = 1,567,646.38 × 626,678.02 - Step 4: Simplify right side
1,135,975.64x = 982,409,525,165.99 - Step 5: Solve for x
x = 982,409,525,165.99/1,135,975.64 - Step 6: Final answer
x = 864,815.66
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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.