Finding the Fourth Proportional to 1,284,277.14, 1,772,315.52 and 774,881.10
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Solution
The fourth proportional to 1,284,277.14, 1,772,315.52 and 774,881.10 is: 1,069,343.80
Step by Step Solution
- Step 1: Write the proportion equation
1,284,277.14 : 1,772,315.52 = 774,881.10 : x - Step 2: Convert to fraction form
1,284,277.14/1,772,315.52 = 774,881.10/x - Step 3: Cross multiply
1,284,277.14x = 1,772,315.52 × 774,881.10 - Step 4: Simplify right side
1,284,277.14x = 1,373,333,799,684.67 - Step 5: Solve for x
x = 1,373,333,799,684.67/1,284,277.14 - Step 6: Final answer
x = 1,069,343.80
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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.