Finding the Fourth Proportional to 1,284,219.64, 1,772,218.66 and 740,352.84
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Solution
The fourth proportional to 1,284,219.64, 1,772,218.66 and 740,352.84 is: 1,021,684.36
Step by Step Solution
- Step 1: Write the proportion equation
1,284,219.64 : 1,772,218.66 = 740,352.84 : x - Step 2: Convert to fraction form
1,284,219.64/1,772,218.66 = 740,352.84/x - Step 3: Cross multiply
1,284,219.64x = 1,772,218.66 × 740,352.84 - Step 4: Simplify right side
1,284,219.64x = 1,312,067,118,031.99 - Step 5: Solve for x
x = 1,312,067,118,031.99/1,284,219.64 - Step 6: Final answer
x = 1,021,684.36
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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.