Finding the Fourth Proportional to 1,125,993.53, 1,689,683.53 and 442,760.15
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Solution
The fourth proportional to 1,125,993.53, 1,689,683.53 and 442,760.15 is: 664,412.82
Step by Step Solution
- Step 1: Write the proportion equation
1,125,993.53 : 1,689,683.53 = 442,760.15 : x - Step 2: Convert to fraction form
1,125,993.53/1,689,683.53 = 442,760.15/x - Step 3: Cross multiply
1,125,993.53x = 1,689,683.53 × 442,760.15 - Step 4: Simplify right side
1,125,993.53x = 748,124,533,195.33 - Step 5: Solve for x
x = 748,124,533,195.33/1,125,993.53 - Step 6: Final answer
x = 664,412.82
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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.