Finding the Fourth Proportional to 1,430,575.64, 1,974,192.74 and 785,994.24
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Solution
The fourth proportional to 1,430,575.64, 1,974,192.74 and 785,994.24 is: 1,084,671.15
Step by Step Solution
- Step 1: Write the proportion equation
1,430,575.64 : 1,974,192.74 = 785,994.24 : x - Step 2: Convert to fraction form
1,430,575.64/1,974,192.74 = 785,994.24/x - Step 3: Cross multiply
1,430,575.64x = 1,974,192.74 × 785,994.24 - Step 4: Simplify right side
1,430,575.64x = 1,551,704,122,289.82 - Step 5: Solve for x
x = 1,551,704,122,289.82/1,430,575.64 - Step 6: Final answer
x = 1,084,671.15
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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.