Finding the Fourth Proportional to 1,092,380.70, 1,637,434.12 and 611,904.09
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Solution
The fourth proportional to 1,092,380.70, 1,637,434.12 and 611,904.09 is: 917,219.28
Step by Step Solution
- Step 1: Write the proportion equation
1,092,380.70 : 1,637,434.12 = 611,904.09 : x - Step 2: Convert to fraction form
1,092,380.70/1,637,434.12 = 611,904.09/x - Step 3: Cross multiply
1,092,380.70x = 1,637,434.12 × 611,904.09 - Step 4: Simplify right side
1,092,380.70x = 1,001,952,635,133.55 - Step 5: Solve for x
x = 1,001,952,635,133.55/1,092,380.70 - Step 6: Final answer
x = 917,219.28
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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.