Finding the Fourth Proportional to 1,246,863.75, 1,720,637.58 and 702,994.80
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Solution
The fourth proportional to 1,246,863.75, 1,720,637.58 and 702,994.80 is: 970,113.43
Step by Step Solution
- Step 1: Write the proportion equation
1,246,863.75 : 1,720,637.58 = 702,994.80 : x - Step 2: Convert to fraction form
1,246,863.75/1,720,637.58 = 702,994.80/x - Step 3: Cross multiply
1,246,863.75x = 1,720,637.58 × 702,994.80 - Step 4: Simplify right side
1,246,863.75x = 1,209,599,271,424.58 - Step 5: Solve for x
x = 1,209,599,271,424.58/1,246,863.75 - Step 6: Final answer
x = 970,113.43
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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.