Finding the Fourth Proportional to 1,370,688.15, 2,057,918.97 and 697,225.20
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Solution
The fourth proportional to 1,370,688.15, 2,057,918.97 and 697,225.20 is: 1,046,797.53
Step by Step Solution
- Step 1: Write the proportion equation
1,370,688.15 : 2,057,918.97 = 697,225.20 : x - Step 2: Convert to fraction form
1,370,688.15/2,057,918.97 = 697,225.20/x - Step 3: Cross multiply
1,370,688.15x = 2,057,918.97 × 697,225.20 - Step 4: Simplify right side
1,370,688.15x = 1,434,832,965,442.04 - Step 5: Solve for x
x = 1,434,832,965,442.04/1,370,688.15 - Step 6: Final answer
x = 1,046,797.53
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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.