Finding the Fourth Proportional to 1,292,220.42, 1,783,264.26 and 719,248.29
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Solution
The fourth proportional to 1,292,220.42, 1,783,264.26 and 719,248.29 is: 992,562.68
Step by Step Solution
- Step 1: Write the proportion equation
1,292,220.42 : 1,783,264.26 = 719,248.29 : x - Step 2: Convert to fraction form
1,292,220.42/1,783,264.26 = 719,248.29/x - Step 3: Cross multiply
1,292,220.42x = 1,783,264.26 × 719,248.29 - Step 4: Simplify right side
1,292,220.42x = 1,282,609,769,623.12 - Step 5: Solve for x
x = 1,282,609,769,623.12/1,292,220.42 - Step 6: Final answer
x = 992,562.68
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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.