Finding the Fourth Proportional to 1,423,591.84, 1,964,556.64 and 779,012.08
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Solution
The fourth proportional to 1,423,591.84, 1,964,556.64 and 779,012.08 is: 1,075,036.62
Step by Step Solution
- Step 1: Write the proportion equation
1,423,591.84 : 1,964,556.64 = 779,012.08 : x - Step 2: Convert to fraction form
1,423,591.84/1,964,556.64 = 779,012.08/x - Step 3: Cross multiply
1,423,591.84x = 1,964,556.64 × 779,012.08 - Step 4: Simplify right side
1,423,591.84x = 1,530,413,354,404.21 - Step 5: Solve for x
x = 1,530,413,354,404.21/1,423,591.84 - Step 6: Final answer
x = 1,075,036.62
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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.