Finding the Fourth Proportional to 1,057,162.84, 1,585,730.70 and 258,451.48
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Solution
The fourth proportional to 1,057,162.84, 1,585,730.70 and 258,451.48 is: 387,673.90
Step by Step Solution
- Step 1: Write the proportion equation
1,057,162.84 : 1,585,730.70 = 258,451.48 : x - Step 2: Convert to fraction form
1,057,162.84/1,585,730.70 = 258,451.48/x - Step 3: Cross multiply
1,057,162.84x = 1,585,730.70 × 258,451.48 - Step 4: Simplify right side
1,057,162.84x = 409,834,446,296.44 - Step 5: Solve for x
x = 409,834,446,296.44/1,057,162.84 - Step 6: Final answer
x = 387,673.90
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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.