Finding the Fourth Proportional to 1,450,831.80, 2,176,247.70 and 787,279.80
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Solution
The fourth proportional to 1,450,831.80, 2,176,247.70 and 787,279.80 is: 1,180,919.70
Step by Step Solution
- Step 1: Write the proportion equation
1,450,831.80 : 2,176,247.70 = 787,279.80 : x - Step 2: Convert to fraction form
1,450,831.80/2,176,247.70 = 787,279.80/x - Step 3: Cross multiply
1,450,831.80x = 2,176,247.70 × 787,279.80 - Step 4: Simplify right side
1,450,831.80x = 1,713,315,854,006.46 - Step 5: Solve for x
x = 1,713,315,854,006.46/1,450,831.80 - Step 6: Final answer
x = 1,180,919.70
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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.