Finding the Fourth Proportional to 1,129,070.67, 1,558,113.60 and 612,824.58
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Solution
The fourth proportional to 1,129,070.67, 1,558,113.60 and 612,824.58 is: 845,695.79
Step by Step Solution
- Step 1: Write the proportion equation
1,129,070.67 : 1,558,113.60 = 612,824.58 : x - Step 2: Convert to fraction form
1,129,070.67/1,558,113.60 = 612,824.58/x - Step 3: Cross multiply
1,129,070.67x = 1,558,113.60 × 612,824.58 - Step 4: Simplify right side
1,129,070.67x = 954,850,312,512.29 - Step 5: Solve for x
x = 954,850,312,512.29/1,129,070.67 - Step 6: Final answer
x = 845,695.79
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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.