Finding the Fourth Proportional to 1,238,465.58, 1,709,102.07 and 694,722.30
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Solution
The fourth proportional to 1,238,465.58, 1,709,102.07 and 694,722.30 is: 958,727.75
Step by Step Solution
- Step 1: Write the proportion equation
1,238,465.58 : 1,709,102.07 = 694,722.30 : x - Step 2: Convert to fraction form
1,238,465.58/1,709,102.07 = 694,722.30/x - Step 3: Cross multiply
1,238,465.58x = 1,709,102.07 × 694,722.30 - Step 4: Simplify right side
1,238,465.58x = 1,187,351,321,005.16 - Step 5: Solve for x
x = 1,187,351,321,005.16/1,238,465.58 - Step 6: Final answer
x = 958,727.75
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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.