Finding the Fourth Proportional to 1,420,828.74, 2,129,406.03 and 1,063,035.54
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Solution
The fourth proportional to 1,420,828.74, 2,129,406.03 and 1,063,035.54 is: 1,593,178.84
Step by Step Solution
- Step 1: Write the proportion equation
1,420,828.74 : 2,129,406.03 = 1,063,035.54 : x - Step 2: Convert to fraction form
1,420,828.74/2,129,406.03 = 1,063,035.54/x - Step 3: Cross multiply
1,420,828.74x = 2,129,406.03 × 1,063,035.54 - Step 4: Simplify right side
1,420,828.74x = 2,263,634,288,980.31 - Step 5: Solve for x
x = 2,263,634,288,980.31/1,420,828.74 - Step 6: Final answer
x = 1,593,178.84
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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.