Finding the Fourth Proportional to 1,293,880.36, 1,785,562.21 and 750,338.87
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Solution
The fourth proportional to 1,293,880.36, 1,785,562.21 and 750,338.87 is: 1,035,471.88
Step by Step Solution
- Step 1: Write the proportion equation
1,293,880.36 : 1,785,562.21 = 750,338.87 : x - Step 2: Convert to fraction form
1,293,880.36/1,785,562.21 = 750,338.87/x - Step 3: Cross multiply
1,293,880.36x = 1,785,562.21 × 750,338.87 - Step 4: Simplify right side
1,293,880.36x = 1,339,776,730,966.10 - Step 5: Solve for x
x = 1,339,776,730,966.10/1,293,880.36 - Step 6: Final answer
x = 1,035,471.88
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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.