Finding the Fourth Proportional to 1,374,374.71, 1,896,572.84 and 762,520.96
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Solution
The fourth proportional to 1,374,374.71, 1,896,572.84 and 762,520.96 is: 1,052,243.27
Step by Step Solution
- Step 1: Write the proportion equation
1,374,374.71 : 1,896,572.84 = 762,520.96 : x - Step 2: Convert to fraction form
1,374,374.71/1,896,572.84 = 762,520.96/x - Step 3: Cross multiply
1,374,374.71x = 1,896,572.84 × 762,520.96 - Step 4: Simplify right side
1,374,374.71x = 1,446,176,542,666.73 - Step 5: Solve for x
x = 1,446,176,542,666.73/1,374,374.71 - Step 6: Final answer
x = 1,052,243.27
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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.