Finding the Fourth Proportional to 1,551,215.40, 2,328,135.30 and 699,597.60
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Solution
The fourth proportional to 1,551,215.40, 2,328,135.30 and 699,597.60 is: 1,049,988.20
Step by Step Solution
- Step 1: Write the proportion equation
1,551,215.40 : 2,328,135.30 = 699,597.60 : x - Step 2: Convert to fraction form
1,551,215.40/2,328,135.30 = 699,597.60/x - Step 3: Cross multiply
1,551,215.40x = 2,328,135.30 × 699,597.60 - Step 4: Simplify right side
1,551,215.40x = 1,628,757,868,355.28 - Step 5: Solve for x
x = 1,628,757,868,355.28/1,551,215.40 - Step 6: Final answer
x = 1,049,988.20
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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.