Finding the Fourth Proportional to 1,132,149.18, 1,562,589.18 and 649,038.72
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Solution
The fourth proportional to 1,132,149.18, 1,562,589.18 and 649,038.72 is: 895,801.45
Step by Step Solution
- Step 1: Write the proportion equation
1,132,149.18 : 1,562,589.18 = 649,038.72 : x - Step 2: Convert to fraction form
1,132,149.18/1,562,589.18 = 649,038.72/x - Step 3: Cross multiply
1,132,149.18x = 1,562,589.18 × 649,038.72 - Step 4: Simplify right side
1,132,149.18x = 1,014,180,881,273.05 - Step 5: Solve for x
x = 1,014,180,881,273.05/1,132,149.18 - Step 6: Final answer
x = 895,801.45
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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.