Finding the Fourth Proportional to 1,133,721.75, 1,564,536.02 and 624,424.13
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Solution
The fourth proportional to 1,133,721.75, 1,564,536.02 and 624,424.13 is: 861,705.29
Step by Step Solution
- Step 1: Write the proportion equation
1,133,721.75 : 1,564,536.02 = 624,424.13 : x - Step 2: Convert to fraction form
1,133,721.75/1,564,536.02 = 624,424.13/x - Step 3: Cross multiply
1,133,721.75x = 1,564,536.02 × 624,424.13 - Step 4: Simplify right side
1,133,721.75x = 976,934,032,197.36 - Step 5: Solve for x
x = 976,934,032,197.36/1,133,721.75 - Step 6: Final answer
x = 861,705.29
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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.