Finding the Fourth Proportional to 1,256,352.03, 1,879,772.43 and 744,292.05
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Solution
The fourth proportional to 1,256,352.03, 1,879,772.43 and 744,292.05 is: 1,113,620.74
Step by Step Solution
- Step 1: Write the proportion equation
1,256,352.03 : 1,879,772.43 = 744,292.05 : x - Step 2: Convert to fraction form
1,256,352.03/1,879,772.43 = 744,292.05/x - Step 3: Cross multiply
1,256,352.03x = 1,879,772.43 × 744,292.05 - Step 4: Simplify right side
1,256,352.03x = 1,399,099,675,458.18 - Step 5: Solve for x
x = 1,399,099,675,458.18/1,256,352.03 - Step 6: Final answer
x = 1,113,620.74
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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.