Finding the Fourth Proportional to 1,423,622.41, 1,964,599.11 and 779,042.65
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Solution
The fourth proportional to 1,423,622.41, 1,964,599.11 and 779,042.65 is: 1,075,078.96
Step by Step Solution
- Step 1: Write the proportion equation
1,423,622.41 : 1,964,599.11 = 779,042.65 : x - Step 2: Convert to fraction form
1,423,622.41/1,964,599.11 = 779,042.65/x - Step 3: Cross multiply
1,423,622.41x = 1,964,599.11 × 779,042.65 - Step 4: Simplify right side
1,423,622.41x = 1,530,506,496,842.04 - Step 5: Solve for x
x = 1,530,506,496,842.04/1,423,622.41 - Step 6: Final answer
x = 1,075,078.96
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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.