Finding the Fourth Proportional to 1,318,862.01, 1,975,192.86 and 642,824.74
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Solution
The fourth proportional to 1,318,862.01, 1,975,192.86 and 642,824.74 is: 962,726.07
Step by Step Solution
- Step 1: Write the proportion equation
1,318,862.01 : 1,975,192.86 = 642,824.74 : x - Step 2: Convert to fraction form
1,318,862.01/1,975,192.86 = 642,824.74/x - Step 3: Cross multiply
1,318,862.01x = 1,975,192.86 × 642,824.74 - Step 4: Simplify right side
1,318,862.01x = 1,269,702,836,679.36 - Step 5: Solve for x
x = 1,269,702,836,679.36/1,318,862.01 - Step 6: Final answer
x = 962,726.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.