Finding the Fourth Proportional to 1,296,927.94, 1,789,445.37 and 760,280.26
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Solution
The fourth proportional to 1,296,927.94, 1,789,445.37 and 760,280.26 is: 1,049,001.99
Step by Step Solution
- Step 1: Write the proportion equation
1,296,927.94 : 1,789,445.37 = 760,280.26 : x - Step 2: Convert to fraction form
1,296,927.94/1,789,445.37 = 760,280.26/x - Step 3: Cross multiply
1,296,927.94x = 1,789,445.37 × 760,280.26 - Step 4: Simplify right side
1,296,927.94x = 1,360,479,991,159.40 - Step 5: Solve for x
x = 1,360,479,991,159.40/1,296,927.94 - Step 6: Final answer
x = 1,049,001.99
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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.