Finding the Fourth Proportional to 1,349,577.12, 1,862,418.24 and 776,605.92
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Solution
The fourth proportional to 1,349,577.12, 1,862,418.24 and 776,605.92 is: 1,071,717.21
Step by Step Solution
- Step 1: Write the proportion equation
1,349,577.12 : 1,862,418.24 = 776,605.92 : x - Step 2: Convert to fraction form
1,349,577.12/1,862,418.24 = 776,605.92/x - Step 3: Cross multiply
1,349,577.12x = 1,862,418.24 × 776,605.92 - Step 4: Simplify right side
1,349,577.12x = 1,446,365,030,699.98 - Step 5: Solve for x
x = 1,446,365,030,699.98/1,349,577.12 - Step 6: Final answer
x = 1,071,717.21
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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.