Finding the Fourth Proportional to 1,267,400.94, 1,748,985.75 and 694,428.54
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Solution
The fourth proportional to 1,267,400.94, 1,748,985.75 and 694,428.54 is: 958,296.29
Step by Step Solution
- Step 1: Write the proportion equation
1,267,400.94 : 1,748,985.75 = 694,428.54 : x - Step 2: Convert to fraction form
1,267,400.94/1,748,985.75 = 694,428.54/x - Step 3: Cross multiply
1,267,400.94x = 1,748,985.75 × 694,428.54 - Step 4: Simplify right side
1,267,400.94x = 1,214,545,620,853.31 - Step 5: Solve for x
x = 1,214,545,620,853.31/1,267,400.94 - Step 6: Final answer
x = 958,296.29
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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.