Finding the Fourth Proportional to 1,238,594.08, 1,709,279.76 and 694,850.80
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Solution
The fourth proportional to 1,238,594.08, 1,709,279.76 and 694,850.80 is: 958,905.28
Step by Step Solution
- Step 1: Write the proportion equation
1,238,594.08 : 1,709,279.76 = 694,850.80 : x - Step 2: Convert to fraction form
1,238,594.08/1,709,279.76 = 694,850.80/x - Step 3: Cross multiply
1,238,594.08x = 1,709,279.76 × 694,850.80 - Step 4: Simplify right side
1,238,594.08x = 1,187,694,408,659.81 - Step 5: Solve for x
x = 1,187,694,408,659.81/1,238,594.08 - Step 6: Final answer
x = 958,905.28
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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.