Finding the Fourth Proportional to 1,430,748.96, 1,974,482.04 and 786,192.28
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Solution
The fourth proportional to 1,430,748.96, 1,974,482.04 and 786,192.28 is: 1,084,971.98
Step by Step Solution
- Step 1: Write the proportion equation
1,430,748.96 : 1,974,482.04 = 786,192.28 : x - Step 2: Convert to fraction form
1,430,748.96/1,974,482.04 = 786,192.28/x - Step 3: Cross multiply
1,430,748.96x = 1,974,482.04 × 786,192.28 - Step 4: Simplify right side
1,430,748.96x = 1,552,322,536,846.65 - Step 5: Solve for x
x = 1,552,322,536,846.65/1,430,748.96 - Step 6: Final answer
x = 1,084,971.98
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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.