Finding the Fourth Proportional to 1,295,461.68, 1,787,159.46 and 751,282.21
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Solution
The fourth proportional to 1,295,461.68, 1,787,159.46 and 751,282.21 is: 1,036,434.45
Step by Step Solution
- Step 1: Write the proportion equation
1,295,461.68 : 1,787,159.46 = 751,282.21 : x - Step 2: Convert to fraction form
1,295,461.68/1,787,159.46 = 751,282.21/x - Step 3: Cross multiply
1,295,461.68x = 1,787,159.46 × 751,282.21 - Step 4: Simplify right side
1,295,461.68x = 1,342,661,108,731.21 - Step 5: Solve for x
x = 1,342,661,108,731.21/1,295,461.68 - Step 6: Final answer
x = 1,036,434.45
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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.