Finding the Fourth Proportional to 1,018,598.19, 1,405,583.22 and 588,905.99
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Solution
The fourth proportional to 1,018,598.19, 1,405,583.22 and 588,905.99 is: 812,642.70
Step by Step Solution
- Step 1: Write the proportion equation
1,018,598.19 : 1,405,583.22 = 588,905.99 : x - Step 2: Convert to fraction form
1,018,598.19/1,405,583.22 = 588,905.99/x - Step 3: Cross multiply
1,018,598.19x = 1,405,583.22 × 588,905.99 - Step 4: Simplify right side
1,018,598.19x = 827,756,378,152.91 - Step 5: Solve for x
x = 827,756,378,152.91/1,018,598.19 - Step 6: Final answer
x = 812,642.70
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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.