Finding the Fourth Proportional to 1,423,612.84, 1,964,585.91 and 779,033.17
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Solution
The fourth proportional to 1,423,612.84, 1,964,585.91 and 779,033.17 is: 1,075,065.88
Step by Step Solution
- Step 1: Write the proportion equation
1,423,612.84 : 1,964,585.91 = 779,033.17 : x - Step 2: Convert to fraction form
1,423,612.84/1,964,585.91 = 779,033.17/x - Step 3: Cross multiply
1,423,612.84x = 1,964,585.91 × 779,033.17 - Step 4: Simplify right side
1,423,612.84x = 1,530,477,589,204.63 - Step 5: Solve for x
x = 1,530,477,589,204.63/1,423,612.84 - Step 6: Final answer
x = 1,075,065.88
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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.