Finding the Fourth Proportional to 1,325,641.95, 1,989,334.81 and 727,023.48
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Solution
The fourth proportional to 1,325,641.95, 1,989,334.81 and 727,023.48 is: 1,091,013.39
Step by Step Solution
- Step 1: Write the proportion equation
1,325,641.95 : 1,989,334.81 = 727,023.48 : x - Step 2: Convert to fraction form
1,325,641.95/1,989,334.81 = 727,023.48/x - Step 3: Cross multiply
1,325,641.95x = 1,989,334.81 × 727,023.48 - Step 4: Simplify right side
1,325,641.95x = 1,446,293,117,539.87 - Step 5: Solve for x
x = 1,446,293,117,539.87/1,325,641.95 - Step 6: Final answer
x = 1,091,013.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.