Finding the Fourth Proportional to 1,423,631.94, 1,964,612.22 and 779,052.12
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Solution
The fourth proportional to 1,423,631.94, 1,964,612.22 and 779,052.12 is: 1,075,092.00
Step by Step Solution
- Step 1: Write the proportion equation
1,423,631.94 : 1,964,612.22 = 779,052.12 : x - Step 2: Convert to fraction form
1,423,631.94/1,964,612.22 = 779,052.12/x - Step 3: Cross multiply
1,423,631.94x = 1,964,612.22 × 779,052.12 - Step 4: Simplify right side
1,423,631.94x = 1,530,535,314,968.91 - Step 5: Solve for x
x = 1,530,535,314,968.91/1,423,631.94 - Step 6: Final answer
x = 1,075,092.00
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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.