Finding the Fourth Proportional to 1,053,991.28, 1,580,989.08 and 493,419.44
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Solution
The fourth proportional to 1,053,991.28, 1,580,989.08 and 493,419.44 is: 740,130.17
Step by Step Solution
- Step 1: Write the proportion equation
1,053,991.28 : 1,580,989.08 = 493,419.44 : x - Step 2: Convert to fraction form
1,053,991.28/1,580,989.08 = 493,419.44/x - Step 3: Cross multiply
1,053,991.28x = 1,580,989.08 × 493,419.44 - Step 4: Simplify right side
1,053,991.28x = 780,090,746,499.72 - Step 5: Solve for x
x = 780,090,746,499.72/1,053,991.28 - Step 6: Final answer
x = 740,130.17
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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.