Finding the Fourth Proportional to 1,306,503.14, 1,959,753.78 and 408,021.87
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Solution
The fourth proportional to 1,306,503.14, 1,959,753.78 and 408,021.87 is: 612,032.52
Step by Step Solution
- Step 1: Write the proportion equation
1,306,503.14 : 1,959,753.78 = 408,021.87 : x - Step 2: Convert to fraction form
1,306,503.14/1,959,753.78 = 408,021.87/x - Step 3: Cross multiply
1,306,503.14x = 1,959,753.78 × 408,021.87 - Step 4: Simplify right side
1,306,503.14x = 799,622,402,055.17 - Step 5: Solve for x
x = 799,622,402,055.17/1,306,503.14 - Step 6: Final answer
x = 612,032.52
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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.