Finding the Fourth Proportional to 1,412,129.93, 1,948,731.98 and 767,553.59
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Solution
The fourth proportional to 1,412,129.93, 1,948,731.98 and 767,553.59 is: 1,059,219.97
Step by Step Solution
- Step 1: Write the proportion equation
1,412,129.93 : 1,948,731.98 = 767,553.59 : x - Step 2: Convert to fraction form
1,412,129.93/1,948,731.98 = 767,553.59/x - Step 3: Cross multiply
1,412,129.93x = 1,948,731.98 × 767,553.59 - Step 4: Simplify right side
1,412,129.93x = 1,495,756,213,615.38 - Step 5: Solve for x
x = 1,495,756,213,615.38/1,412,129.93 - Step 6: Final answer
x = 1,059,219.97
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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.