Finding the Fourth Proportional to 1,451,643.96, 2,003,320.19 and 798,319.65
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Solution
The fourth proportional to 1,451,643.96, 2,003,320.19 and 798,319.65 is: 1,101,709.45
Step by Step Solution
- Step 1: Write the proportion equation
1,451,643.96 : 2,003,320.19 = 798,319.65 : x - Step 2: Convert to fraction form
1,451,643.96/2,003,320.19 = 798,319.65/x - Step 3: Cross multiply
1,451,643.96x = 2,003,320.19 × 798,319.65 - Step 4: Simplify right side
1,451,643.96x = 1,599,289,868,927.14 - Step 5: Solve for x
x = 1,599,289,868,927.14/1,451,643.96 - Step 6: Final answer
x = 1,101,709.45
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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.