Finding the Fourth Proportional to 1,239,977.54, 1,860,655.22 and 671,350.26
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Solution
The fourth proportional to 1,239,977.54, 1,860,655.22 and 671,350.26 is: 1,007,398.38
Step by Step Solution
- Step 1: Write the proportion equation
1,239,977.54 : 1,860,655.22 = 671,350.26 : x - Step 2: Convert to fraction form
1,239,977.54/1,860,655.22 = 671,350.26/x - Step 3: Cross multiply
1,239,977.54x = 1,860,655.22 × 671,350.26 - Step 4: Simplify right side
1,239,977.54x = 1,249,151,365,717.36 - Step 5: Solve for x
x = 1,249,151,365,717.36/1,239,977.54 - Step 6: Final answer
x = 1,007,398.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.