Finding the Fourth Proportional to 1,396,521.99, 1,927,202.63 and 792,909.99
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Solution
The fourth proportional to 1,396,521.99, 1,927,202.63 and 792,909.99 is: 1,094,217.08
Step by Step Solution
- Step 1: Write the proportion equation
1,396,521.99 : 1,927,202.63 = 792,909.99 : x - Step 2: Convert to fraction form
1,396,521.99/1,927,202.63 = 792,909.99/x - Step 3: Cross multiply
1,396,521.99x = 1,927,202.63 × 792,909.99 - Step 4: Simplify right side
1,396,521.99x = 1,528,098,214,116.72 - Step 5: Solve for x
x = 1,528,098,214,116.72/1,396,521.99 - Step 6: Final answer
x = 1,094,217.08
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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.