Finding the Fourth Proportional to 1,284,747, 1,772,903.80 and 740,905.68
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Solution
The fourth proportional to 1,284,747, 1,772,903.80 and 740,905.68 is: 1,022,422.70
Step by Step Solution
- Step 1: Write the proportion equation
1,284,747 : 1,772,903.80 = 740,905.68 : x - Step 2: Convert to fraction form
1,284,747/1,772,903.80 = 740,905.68/x - Step 3: Cross multiply
1,284,747x = 1,772,903.80 × 740,905.68 - Step 4: Simplify right side
1,284,747x = 1,313,554,495,513.58 - Step 5: Solve for x
x = 1,313,554,495,513.58/1,284,747 - Step 6: Final answer
x = 1,022,422.70
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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.