Finding the Fourth Proportional to 1,409,627.20, 2,110,120.80 and 776,603.20
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Solution
The fourth proportional to 1,409,627.20, 2,110,120.80 and 776,603.20 is: 1,162,524.79
Step by Step Solution
- Step 1: Write the proportion equation
1,409,627.20 : 2,110,120.80 = 776,603.20 : x - Step 2: Convert to fraction form
1,409,627.20/2,110,120.80 = 776,603.20/x - Step 3: Cross multiply
1,409,627.20x = 2,110,120.80 × 776,603.20 - Step 4: Simplify right side
1,409,627.20x = 1,638,726,565,666.56 - Step 5: Solve for x
x = 1,638,726,565,666.56/1,409,627.20 - Step 6: Final answer
x = 1,162,524.79
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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.