Finding the Fourth Proportional to 1,163,497.72, 1,743,465.40 and 783,010.76
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Solution
The fourth proportional to 1,163,497.72, 1,743,465.40 and 783,010.76 is: 1,173,317.44
Step by Step Solution
- Step 1: Write the proportion equation
1,163,497.72 : 1,743,465.40 = 783,010.76 : x - Step 2: Convert to fraction form
1,163,497.72/1,743,465.40 = 783,010.76/x - Step 3: Cross multiply
1,163,497.72x = 1,743,465.40 × 783,010.76 - Step 4: Simplify right side
1,163,497.72x = 1,365,152,167,887.70 - Step 5: Solve for x
x = 1,365,152,167,887.70/1,163,497.72 - Step 6: Final answer
x = 1,173,317.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.