Finding the Fourth Proportional to 1,374,286.86, 1,896,743.49 and 762,636.09
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Solution
The fourth proportional to 1,374,286.86, 1,896,743.49 and 762,636.09 is: 1,052,564.12
Step by Step Solution
- Step 1: Write the proportion equation
1,374,286.86 : 1,896,743.49 = 762,636.09 : x - Step 2: Convert to fraction form
1,374,286.86/1,896,743.49 = 762,636.09/x - Step 3: Cross multiply
1,374,286.86x = 1,896,743.49 × 762,636.09 - Step 4: Simplify right side
1,374,286.86x = 1,446,525,038,965.02 - Step 5: Solve for x
x = 1,446,525,038,965.02/1,374,286.86 - Step 6: Final answer
x = 1,052,564.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.