Finding the Fourth Proportional to 1,207,831.68, 1,810,621.17 and 408,557.07
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Solution
The fourth proportional to 1,207,831.68, 1,810,621.17 and 408,557.07 is: 612,454.61
Step by Step Solution
- Step 1: Write the proportion equation
1,207,831.68 : 1,810,621.17 = 408,557.07 : x - Step 2: Convert to fraction form
1,207,831.68/1,810,621.17 = 408,557.07/x - Step 3: Cross multiply
1,207,831.68x = 1,810,621.17 × 408,557.07 - Step 4: Simplify right side
1,207,831.68x = 739,742,080,095.17 - Step 5: Solve for x
x = 739,742,080,095.17/1,207,831.68 - Step 6: Final answer
x = 612,454.61
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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.