Finding the Fourth Proportional to 1,275,318.60, 1,759,918.26 and 702,412.08
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Solution
The fourth proportional to 1,275,318.60, 1,759,918.26 and 702,412.08 is: 969,316.88
Step by Step Solution
- Step 1: Write the proportion equation
1,275,318.60 : 1,759,918.26 = 702,412.08 : x - Step 2: Convert to fraction form
1,275,318.60/1,759,918.26 = 702,412.08/x - Step 3: Cross multiply
1,275,318.60x = 1,759,918.26 × 702,412.08 - Step 4: Simplify right side
1,275,318.60x = 1,236,187,845,636.58 - Step 5: Solve for x
x = 1,236,187,845,636.58/1,275,318.60 - Step 6: Final answer
x = 969,316.88
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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.