Finding the Fourth Proportional to 1,310,321.68, 1,961,832.84 and 669,237.28
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Solution
The fourth proportional to 1,310,321.68, 1,961,832.84 and 669,237.28 is: 1,001,991.87
Step by Step Solution
- Step 1: Write the proportion equation
1,310,321.68 : 1,961,832.84 = 669,237.28 : x - Step 2: Convert to fraction form
1,310,321.68/1,961,832.84 = 669,237.28/x - Step 3: Cross multiply
1,310,321.68x = 1,961,832.84 × 669,237.28 - Step 4: Simplify right side
1,310,321.68x = 1,312,931,673,656.28 - Step 5: Solve for x
x = 1,312,931,673,656.28/1,310,321.68 - Step 6: Final answer
x = 1,001,991.87
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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.