Finding the Fourth Proportional to 1,274,314.68, 1,911,804.12 and 475,602.84
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Solution
The fourth proportional to 1,274,314.68, 1,911,804.12 and 475,602.84 is: 713,528.21
Step by Step Solution
- Step 1: Write the proportion equation
1,274,314.68 : 1,911,804.12 = 475,602.84 : x - Step 2: Convert to fraction form
1,274,314.68/1,911,804.12 = 475,602.84/x - Step 3: Cross multiply
1,274,314.68x = 1,911,804.12 × 475,602.84 - Step 4: Simplify right side
1,274,314.68x = 909,259,468,995.70 - Step 5: Solve for x
x = 909,259,468,995.70/1,274,314.68 - Step 6: Final answer
x = 713,528.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.