Finding the Fourth Proportional to 1,315,720.84, 1,815,730.14 and 799,299.04
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Solution
The fourth proportional to 1,315,720.84, 1,815,730.14 and 799,299.04 is: 1,103,054.17
Step by Step Solution
- Step 1: Write the proportion equation
1,315,720.84 : 1,815,730.14 = 799,299.04 : x - Step 2: Convert to fraction form
1,315,720.84/1,815,730.14 = 799,299.04/x - Step 3: Cross multiply
1,315,720.84x = 1,815,730.14 × 799,299.04 - Step 4: Simplify right side
1,315,720.84x = 1,451,311,357,801.07 - Step 5: Solve for x
x = 1,451,311,357,801.07/1,315,720.84 - Step 6: Final answer
x = 1,103,054.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.