Finding the Fourth Proportional to 1,302,259.16, 1,797,741.40 and 867,400.14
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Solution
The fourth proportional to 1,302,259.16, 1,797,741.40 and 867,400.14 is: 1,197,427.66
Step by Step Solution
- Step 1: Write the proportion equation
1,302,259.16 : 1,797,741.40 = 867,400.14 : x - Step 2: Convert to fraction form
1,302,259.16/1,797,741.40 = 867,400.14/x - Step 3: Cross multiply
1,302,259.16x = 1,797,741.40 × 867,400.14 - Step 4: Simplify right side
1,302,259.16x = 1,559,361,142,043.80 - Step 5: Solve for x
x = 1,559,361,142,043.80/1,302,259.16 - Step 6: Final answer
x = 1,197,427.66
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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.