Finding the Fourth Proportional to 1,368,730.43, 1,888,860.21 and 756,924.36
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Solution
The fourth proportional to 1,368,730.43, 1,888,860.21 and 756,924.36 is: 1,044,562.38
Step by Step Solution
- Step 1: Write the proportion equation
1,368,730.43 : 1,888,860.21 = 756,924.36 : x - Step 2: Convert to fraction form
1,368,730.43/1,888,860.21 = 756,924.36/x - Step 3: Cross multiply
1,368,730.43x = 1,888,860.21 × 756,924.36 - Step 4: Simplify right side
1,368,730.43x = 1,429,724,305,583.72 - Step 5: Solve for x
x = 1,429,724,305,583.72/1,368,730.43 - Step 6: Final answer
x = 1,044,562.38
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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.