Finding the Fourth Proportional to 1,178,199.76, 1,625,633.40 and 694,726.96
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Solution
The fourth proportional to 1,178,199.76, 1,625,633.40 and 694,726.96 is: 958,556.76
Step by Step Solution
- Step 1: Write the proportion equation
1,178,199.76 : 1,625,633.40 = 694,726.96 : x - Step 2: Convert to fraction form
1,178,199.76/1,625,633.40 = 694,726.96/x - Step 3: Cross multiply
1,178,199.76x = 1,625,633.40 × 694,726.96 - Step 4: Simplify right side
1,178,199.76x = 1,129,371,350,056.46 - Step 5: Solve for x
x = 1,129,371,350,056.46/1,178,199.76 - Step 6: Final answer
x = 958,556.76
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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.