Finding the Fourth Proportional to 1,110,334.80, 1,662,877.80 and 753,416.40
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Solution
The fourth proportional to 1,110,334.80, 1,662,877.80 and 753,416.40 is: 1,128,343.82
Step by Step Solution
- Step 1: Write the proportion equation
1,110,334.80 : 1,662,877.80 = 753,416.40 : x - Step 2: Convert to fraction form
1,110,334.80/1,662,877.80 = 753,416.40/x - Step 3: Cross multiply
1,110,334.80x = 1,662,877.80 × 753,416.40 - Step 4: Simplify right side
1,110,334.80x = 1,252,839,405,715.92 - Step 5: Solve for x
x = 1,252,839,405,715.92/1,110,334.80 - Step 6: Final answer
x = 1,128,343.82
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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.