Finding the Fourth Proportional to 1,370,687.15, 2,057,917.47 and 697,224.20
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Solution
The fourth proportional to 1,370,687.15, 2,057,917.47 and 697,224.20 is: 1,046,796.02
Step by Step Solution
- Step 1: Write the proportion equation
1,370,687.15 : 2,057,917.47 = 697,224.20 : x - Step 2: Convert to fraction form
1,370,687.15/2,057,917.47 = 697,224.20/x - Step 3: Cross multiply
1,370,687.15x = 2,057,917.47 × 697,224.20 - Step 4: Simplify right side
1,370,687.15x = 1,434,829,851,397.19 - Step 5: Solve for x
x = 1,434,829,851,397.19/1,370,687.15 - Step 6: Final answer
x = 1,046,796.02
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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.