Finding the Fourth Proportional to 1,356,588.68, 1,872,087.75 and 744,726.20
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Solution
The fourth proportional to 1,356,588.68, 1,872,087.75 and 744,726.20 is: 1,027,719.62
Step by Step Solution
- Step 1: Write the proportion equation
1,356,588.68 : 1,872,087.75 = 744,726.20 : x - Step 2: Convert to fraction form
1,356,588.68/1,872,087.75 = 744,726.20/x - Step 3: Cross multiply
1,356,588.68x = 1,872,087.75 × 744,726.20 - Step 4: Simplify right side
1,356,588.68x = 1,394,192,796,124.05 - Step 5: Solve for x
x = 1,394,192,796,124.05/1,356,588.68 - Step 6: Final answer
x = 1,027,719.62
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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.