Finding the Fourth Proportional to 1,127,349, 1,556,558.10 and 725,640.84
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Solution
The fourth proportional to 1,127,349, 1,556,558.10 and 725,640.84 is: 1,001,909.90
Step by Step Solution
- Step 1: Write the proportion equation
1,127,349 : 1,556,558.10 = 725,640.84 : x - Step 2: Convert to fraction form
1,127,349/1,556,558.10 = 725,640.84/x - Step 3: Cross multiply
1,127,349x = 1,556,558.10 × 725,640.84 - Step 4: Simplify right side
1,127,349x = 1,129,502,127,192.80 - Step 5: Solve for x
x = 1,129,502,127,192.80/1,127,349 - Step 6: Final answer
x = 1,001,909.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.