Finding the Fourth Proportional to 1,018,600.99, 1,405,587.09 and 588,908.81
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Solution
The fourth proportional to 1,018,600.99, 1,405,587.09 and 588,908.81 is: 812,646.60
Step by Step Solution
- Step 1: Write the proportion equation
1,018,600.99 : 1,405,587.09 = 588,908.81 : x - Step 2: Convert to fraction form
1,018,600.99/1,405,587.09 = 588,908.81/x - Step 3: Cross multiply
1,018,600.99x = 1,405,587.09 × 588,908.81 - Step 4: Simplify right side
1,018,600.99x = 827,762,626,245.64 - Step 5: Solve for x
x = 827,762,626,245.64/1,018,600.99 - Step 6: Final answer
x = 812,646.60
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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.