Finding the Fourth Proportional to 1,129,511.68, 1,558,776.96 and 676,792.96
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Solution
The fourth proportional to 1,129,511.68, 1,558,776.96 and 676,792.96 is: 934,004.75
Step by Step Solution
- Step 1: Write the proportion equation
1,129,511.68 : 1,558,776.96 = 676,792.96 : x - Step 2: Convert to fraction form
1,129,511.68/1,558,776.96 = 676,792.96/x - Step 3: Cross multiply
1,129,511.68x = 1,558,776.96 × 676,792.96 - Step 4: Simplify right side
1,129,511.68x = 1,054,969,272,738.20 - Step 5: Solve for x
x = 1,054,969,272,738.20/1,129,511.68 - Step 6: Final answer
x = 934,004.75
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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.