Finding the Fourth Proportional to 1,317,230.64, 1,817,639.19 and 744,160.14
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Solution
The fourth proportional to 1,317,230.64, 1,817,639.19 and 744,160.14 is: 1,026,862.41
Step by Step Solution
- Step 1: Write the proportion equation
1,317,230.64 : 1,817,639.19 = 744,160.14 : x - Step 2: Convert to fraction form
1,317,230.64/1,817,639.19 = 744,160.14/x - Step 3: Cross multiply
1,317,230.64x = 1,817,639.19 × 744,160.14 - Step 4: Simplify right side
1,317,230.64x = 1,352,614,634,099.89 - Step 5: Solve for x
x = 1,352,614,634,099.89/1,317,230.64 - Step 6: Final answer
x = 1,026,862.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.