Finding the Fourth Proportional to 1,363,652.88, 1,881,423.96 and 790,578.72
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Solution
The fourth proportional to 1,363,652.88, 1,881,423.96 and 790,578.72 is: 1,090,756.87
Step by Step Solution
- Step 1: Write the proportion equation
1,363,652.88 : 1,881,423.96 = 790,578.72 : x - Step 2: Convert to fraction form
1,363,652.88/1,881,423.96 = 790,578.72/x - Step 3: Cross multiply
1,363,652.88x = 1,881,423.96 × 790,578.72 - Step 4: Simplify right side
1,363,652.88x = 1,487,413,746,074.13 - Step 5: Solve for x
x = 1,487,413,746,074.13/1,363,652.88 - Step 6: Final answer
x = 1,090,756.87
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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.