Finding the Fourth Proportional to 1,246,864.25, 1,720,638.27 and 702,995.30
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Solution
The fourth proportional to 1,246,864.25, 1,720,638.27 and 702,995.30 is: 970,114.12
Step by Step Solution
- Step 1: Write the proportion equation
1,246,864.25 : 1,720,638.27 = 702,995.30 : x - Step 2: Convert to fraction form
1,246,864.25/1,720,638.27 = 702,995.30/x - Step 3: Cross multiply
1,246,864.25x = 1,720,638.27 × 702,995.30 - Step 4: Simplify right side
1,246,864.25x = 1,209,600,616,810.13 - Step 5: Solve for x
x = 1,209,600,616,810.13/1,246,864.25 - Step 6: Final answer
x = 970,114.12
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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.