Finding the Fourth Proportional to 1,228,526.20, 1,843,121.46 and 375,627.99
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Solution
The fourth proportional to 1,228,526.20, 1,843,121.46 and 375,627.99 is: 563,543.54
Step by Step Solution
- Step 1: Write the proportion equation
1,228,526.20 : 1,843,121.46 = 375,627.99 : x - Step 2: Convert to fraction form
1,228,526.20/1,843,121.46 = 375,627.99/x - Step 3: Cross multiply
1,228,526.20x = 1,843,121.46 × 375,627.99 - Step 4: Simplify right side
1,228,526.20x = 692,328,009,345.67 - Step 5: Solve for x
x = 692,328,009,345.67/1,228,526.20 - Step 6: Final answer
x = 563,543.54
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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.