Finding the Fourth Proportional to 1,258,169.23, 1,736,322.68 and 714,355.62
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Solution
The fourth proportional to 1,258,169.23, 1,736,322.68 and 714,355.62 is: 985,838.66
Step by Step Solution
- Step 1: Write the proportion equation
1,258,169.23 : 1,736,322.68 = 714,355.62 : x - Step 2: Convert to fraction form
1,258,169.23/1,736,322.68 = 714,355.62/x - Step 3: Cross multiply
1,258,169.23x = 1,736,322.68 × 714,355.62 - Step 4: Simplify right side
1,258,169.23x = 1,240,351,862,307.84 - Step 5: Solve for x
x = 1,240,351,862,307.84/1,258,169.23 - Step 6: Final answer
x = 985,838.66
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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.