Finding the Fourth Proportional to 1,167,368.40, 1,610,993.04 and 658,070.80
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Solution
The fourth proportional to 1,167,368.40, 1,610,993.04 and 658,070.80 is: 908,151.60
Step by Step Solution
- Step 1: Write the proportion equation
1,167,368.40 : 1,610,993.04 = 658,070.80 : x - Step 2: Convert to fraction form
1,167,368.40/1,610,993.04 = 658,070.80/x - Step 3: Cross multiply
1,167,368.40x = 1,610,993.04 × 658,070.80 - Step 4: Simplify right side
1,167,368.40x = 1,060,147,478,627.23 - Step 5: Solve for x
x = 1,060,147,478,627.23/1,167,368.40 - Step 6: Final answer
x = 908,151.60
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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.