Finding the Fourth Proportional to 1,114,252.02, 1,539,110.10 and 921,438.54
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Solution
The fourth proportional to 1,114,252.02, 1,539,110.10 and 921,438.54 is: 1,272,777.92
Step by Step Solution
- Step 1: Write the proportion equation
1,114,252.02 : 1,539,110.10 = 921,438.54 : x - Step 2: Convert to fraction form
1,114,252.02/1,539,110.10 = 921,438.54/x - Step 3: Cross multiply
1,114,252.02x = 1,539,110.10 × 921,438.54 - Step 4: Simplify right side
1,114,252.02x = 1,418,195,363,443.25 - Step 5: Solve for x
x = 1,418,195,363,443.25/1,114,252.02 - Step 6: Final answer
x = 1,272,777.92
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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.