Finding the Fourth Proportional to 1,298,825.10, 1,792,433.99 and 725,865.26
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Solution
The fourth proportional to 1,298,825.10, 1,792,433.99 and 725,865.26 is: 1,001,724.99
Step by Step Solution
- Step 1: Write the proportion equation
1,298,825.10 : 1,792,433.99 = 725,865.26 : x - Step 2: Convert to fraction form
1,298,825.10/1,792,433.99 = 725,865.26/x - Step 3: Cross multiply
1,298,825.10x = 1,792,433.99 × 725,865.26 - Step 4: Simplify right side
1,298,825.10x = 1,301,065,557,036.68 - Step 5: Solve for x
x = 1,301,065,557,036.68/1,298,825.10 - Step 6: Final answer
x = 1,001,724.99
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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.