Finding the Fourth Proportional to 1,205,703.63, 1,663,810.88 and 696,375.63
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Solution
The fourth proportional to 1,205,703.63, 1,663,810.88 and 696,375.63 is: 960,963.64
Step by Step Solution
- Step 1: Write the proportion equation
1,205,703.63 : 1,663,810.88 = 696,375.63 : x - Step 2: Convert to fraction form
1,205,703.63/1,663,810.88 = 696,375.63/x - Step 3: Cross multiply
1,205,703.63x = 1,663,810.88 × 696,375.63 - Step 4: Simplify right side
1,205,703.63x = 1,158,637,346,278.98 - Step 5: Solve for x
x = 1,158,637,346,278.98/1,205,703.63 - Step 6: Final answer
x = 960,963.64
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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.