Finding the Fourth Proportional to 1,408,638.68, 1,943,906.98 and 764,045
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Solution
The fourth proportional to 1,408,638.68, 1,943,906.98 and 764,045 is: 1,054,374.29
Step by Step Solution
- Step 1: Write the proportion equation
1,408,638.68 : 1,943,906.98 = 764,045 : x - Step 2: Convert to fraction form
1,408,638.68/1,943,906.98 = 764,045/x - Step 3: Cross multiply
1,408,638.68x = 1,943,906.98 × 764,045 - Step 4: Simplify right side
1,408,638.68x = 1,485,232,408,534.10 - Step 5: Solve for x
x = 1,485,232,408,534.10/1,408,638.68 - Step 6: Final answer
x = 1,054,374.29
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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.